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Etsy, Inc.
(NASDAQ:ETSY) 

ETSY stock logo

Etsy, Inc. operates two-sided online marketplaces that connect buyers and sellers primarily in the United States, the United Kingdom, Germany, Canada, Australia, France, and India. Its primary marketplace is Etsy.com that connects artisans and entrepreneurs with various consumers. The company also o...

Founded: 2005
Full Time Employees: 2,790 (Dec 2022)
Founder: Robert Kalin 
CEO: Josh Silverman  
Sector: Consumer Cyclical
Industry: Internet Retail

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At a glance:
  • Marketplace Growth Moderates After Pandemic Peak: Etsy’s revenue and GMS trends have generally normalized versus the surge seen in 2020–2021, with performance more tied to discretionary consumer demand and macro conditions.
  • Take-Rate and Services Drive Revenue Mix: Revenue is supported not only by marketplace fees but also by higher-value services such as on-site advertising, payments, and shipping tools, which can influence the effective take rate and margins.
  • Profitability Supported by Asset-Light Model: As a two-sided marketplace, Etsy typically benefits from an asset-light operating structure, allowing for relatively strong gross margins and the potential for solid operating leverage when demand improves.
  • Marketing Efficiency and Seller/Buyer Retention Are Key Watch Items: Ongoing results depend heavily on Etsy’s ability to attract and retain active buyers, maintain seller health, and generate efficient returns on marketing spend amid competitive e-commerce dynamics.
  • Balance Sheet and Capital Allocation Influence Risk/Return: Investors often monitor Etsy’s cash generation, share repurchases, and any debt or acquisition activity, as these can materially affect per-share outcomes and financial flexibility.
Bull Thesis:
  • Strong Niche and Brand Moat in Unique Goods: Etsy maintains a dominant position in the niche markets of handmade, vintage, and craft supplies. This specialized focus creates a strong brand identity and a loyal community of buyers and sellers, making it difficult for competitors to replicate its unique value proposition at scale. This moat provides pricing power and customer stickiness.
  • Significant International Growth Opportunity: Etsy has substantial runway for growth in international markets. While already present globally, penetration in many regions remains lower than in its core U.S. market, indicating a large untapped potential for expanding its buyer and seller base worldwide and diversifying revenue streams, which can offset domestic slowdowns.
  • Robust Profitability and Free Cash Flow Generation: Despite macroeconomic challenges, Etsy has demonstrated consistent profitability and strong free cash flow generation. This financial health provides the company with flexibility for strategic investments, share buybacks, and navigating economic downturns, underpinning its long-term stability and ability to return capital to shareholders.
  • Growing Revenue from Seller Services and Advertising: Etsy continues to enhance and expand its suite of seller tools and services, including advertising (Etsy Ads), payment processing, and shipping labels. Increased adoption of these services drives higher take rates and provides diversified, high-margin revenue streams beyond core marketplace commissions, strengthening its financial model.
Bear Thesis:
  • Macroeconomic Headwinds Impacting Discretionary Spending: High inflation, rising interest rates, and general economic uncertainty are pressuring consumer discretionary spending. As a marketplace largely focused on non-essential, unique items, Etsy's Gross Merchandise Sales (GMS) are particularly vulnerable to these macroeconomic pressures, potentially leading to slower growth or declines in transaction volume.
  • Slowing GMS Growth Post-Pandemic Normalization: The surge in e-commerce demand during the COVID-19 pandemic significantly boosted Etsy's GMS. However, as consumer behavior normalizes and spending shifts back to services and in-person experiences, Etsy is experiencing a significant deceleration in GMS growth, making it challenging to meet pre-pandemic growth expectations and potentially impacting investor sentiment.
  • Increased Competition and Seller Dissatisfaction: Etsy faces growing competition from larger e-commerce platforms (e.g., Amazon Handmade), social commerce, and other specialized marketplaces. Additionally, recent increases in seller fees and policy changes have led to some seller dissatisfaction and protests, potentially impacting seller retention, inventory levels, and the overall health of its marketplace.
  • Dependence on Discretionary Items and Consumer Sentiment: A significant portion of Etsy's sales comprises unique, handmade, or vintage items that are often considered discretionary purchases. This inherent dependence makes the company highly sensitive to shifts in consumer sentiment and economic downturns, where consumers prioritize essential goods over unique crafts, leading to volatile performance.
Main Competitors:
  • Amazon.com, Inc. ($AMZN) (Amazon Handmade), Directly competes by offering a dedicated marketplace for handmade goods, leveraging Amazon's massive customer base, logistics, and trust. It attracts sellers looking for broader reach and buyers seeking unique items within a familiar, high-traffic platform, often at competitive pricing.
  • Shopify Inc. ($SHOP) (Shopify Platform), Competes by providing tools for independent creators and small businesses to build their own online stores. This offers sellers greater control over branding, customer data, and sales channels, potentially drawing them away from marketplace-dependent models like Etsy by enabling direct-to-consumer sales.
  • eBay Inc. ($EBAY) (eBay Marketplace), Competes through its broad marketplace that includes significant categories like vintage items, collectibles, craft supplies, and unique goods. It attracts both buyers and sellers who might otherwise use Etsy for similar products, offering a vast inventory and established buyer base.
  • Meta Platforms, Inc. ($META) (Instagram Shopping / Facebook Marketplace), Competes by enabling direct sales and discovery of unique products through social media platforms. Creators can leverage their audience and sell without traditional marketplace fees, particularly strong for visually appealing handmade goods and personalized items, fostering direct seller-buyer relationships.
Moat:
Etsy's primary competitive advantage lies in its strong brand identity as the go-to marketplace for handmade, vintage, and unique craft supplies, fostering a passionate community of independent sellers and buyers. Its network effects, where more sellers attract more buyers and vice-versa, create a significant moat. However, competition is robust, with large tech companies like Amazon and Meta directly targeting the handmade niche, and platforms like Shopify offering powerful alternatives for sellers seeking greater independence and control. Etsy must continually innovate, support its seller ecosystem, and maintain its distinct curated appeal to defend its market position against these diverse and well-resourced competitors.
Income Statements:
Quarterly
Annual
    Unit: USD2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 
                                                
      revenue
    881,636,000 678,026,000 672,663,000 651,176,000 852,162,000 662,410,000 647,806,000 645,954,000 842,322,000 636,302,000 628,876,000 640,877,000 807,241,000 594,469,000 585,135,000 579,266,000 717,139,000 532,429,000 528,900,000 550,646,000 617,355,000 451,478,000 428,737,000 228,055,000 269,998,000 197,947,000 181,095,000 169,339,000 200,028,000 150,366,000 132,387,000 120,912,000 136,268,000 106,380,000 101,692,000 96,891,000 110,209,000 87,562,000 85,349,000 81,847,000 87,895,000 65,696,000 61,365,000 58,543,000 
      yoy
    3.46% 2.36% 3.84% 0.81% 1.17% 4.10% 3.01% 0.79% 4.35% 7.04% 7.48% 10.64% 12.56% 11.65% 10.63% 5.20% 16.16% 17.93% 23.36% 141.45% 128.65% 128.08% 136.75% 34.67% 34.98% 31.64% 36.79% 40.05% 46.79% 41.35% 30.18% 24.79% 23.65% 21.49% 19.15% 18.38% 25.39% 33.28% 39.08% 39.81%     
      qoq
    30.03% 0.80% 3.30% -23.59% 28.65% 2.25% 0.29% -23.31% 32.38% 1.18% -1.87% -20.61% 35.79% 1.60% 1.01% -19.23% 34.69% 0.67% -3.95% -10.81% 36.74% 5.30% 88.00% -15.53% 36.40% 9.31% 6.94% -15.34% 33.03% 13.58% 9.49% -11.27% 28.10% 4.61% 4.96% -12.08% 25.86% 2.59% 4.28% -6.88% 33.79% 7.06% 4.82%  
      cost of revenue
    237,546,000 194,645,000 193,548,000 192,061,000 217,691,000 185,640,000 184,090,000 187,133,000 255,757,000 188,827,000 188,638,000 195,453,000 225,775,000 174,401,000 171,421,000 172,995,000 208,966,000 153,660,000 148,969,000 142,917,000 150,780,000 120,168,000 111,381,000 82,416,000 90,824,000 68,949,000 58,605,000 52,658,000 57,111,000 46,947,000 45,409,000 41,295,000 44,220,000 36,383,000 35,724,000 34,659,000 37,005,000 29,314,000 29,098,000 27,911,000 30,196,000 24,165,000 21,909,000 20,709,000 
      gross profit
    644,090,000 483,381,000 479,115,000 459,115,000 634,471,000 476,770,000 463,716,000 458,821,000 586,565,000 447,475,000 440,238,000 445,424,000 581,466,000 420,068,000 413,714,000 406,271,000 508,173,000 378,769,000 379,931,000 407,729,000 466,575,000 331,310,000 317,356,000 145,639,000 179,174,000 128,998,000 122,490,000 116,681,000 142,917,000 103,419,000 86,978,000 79,617,000 92,048,000 69,997,000 65,968,000 62,232,000 73,204,000 58,248,000 56,251,000 53,936,000 57,699,000 41,531,000 39,456,000 37,834,000 
      yoy
    1.52% 1.39% 3.32% 0.06% 8.17% 6.55% 5.33% 3.01% 0.88% 6.52% 6.41% 9.64% 14.42% 10.90% 8.89% -0.36% 8.92% 14.32% 19.72% 179.96% 160.40% 156.83% 159.09% 24.82% 25.37% 24.73% 40.83% 46.55% 55.26% 47.75% 31.85% 27.94% 25.74% 20.17% 17.27% 15.38% 26.87% 40.25% 42.57% 42.56%     
      qoq
    33.25% 0.89% 4.36% -27.64% 33.08% 2.82% 1.07% -21.78% 31.08% 1.64% -1.16% -23.40% 38.42% 1.54% 1.83% -20.05% 34.16% -0.31% -6.82% -12.61% 40.83% 4.40% 117.91% -18.72% 38.90% 5.31% 4.98% -18.36% 38.19% 18.90% 9.25% -13.50% 31.50% 6.11% 6.00% -14.99% 25.68% 3.55% 4.29% -6.52% 38.93% 5.26% 4.29%  
      gross margin %
    73.06% 71.29% 71.23% 70.51% 74.45% 71.98% 71.58% 71.03% 69.64% 70.32% 70.00% 69.50% 72.03% 70.66% 70.70% 70.14% 70.86% 71.14% 71.83% 74.05% 75.58% 73.38% 74.02% 63.86% 66.36% 65.17% 67.64% 68.90% 71.45% 68.78% 65.70% 65.85% 67.55% 65.80% 64.87% 64.23% 66.42% 66.52% 65.91% 65.90% 65.65% 63.22% 64.30% 64.63% 
      operating expenses:
                                                
      marketing
    305,875,000 207,841,000 212,110,000 189,004,000 285,165,000 196,526,000 183,063,000 191,811,000 261,076,000 160,936,000 165,870,000 171,314,000 244,809,000 147,242,000 164,068,000 154,280,000 204,198,000 131,928,000 167,474,000 151,204,000 210,765,000 126,779,000 114,707,000 48,505,000 84,034,000 50,098,000 45,994,000 35,444,000 63,362,000 39,516,000 28,941,000 26,194,000 34,590,000 23,520,000 27,521,000 23,454,000 31,011,000 18,736,000 17,205,000 15,847,000 22,476,000 16,542,000 15,543,000 12,210,000 
      product development
    114,442,000 113,379,000 111,861,000 110,510,000 111,466,000 107,251,000 114,493,000 109,846,000 117,488,000 113,932,000 121,988,000 115,924,000 112,787,000 108,040,000 102,095,000 89,476,000 82,555,000 73,521,000 61,753,000 53,706,000 51,157,000 45,908,000 45,233,000 37,782,000 35,701,000 32,465,000 28,765,000 24,947,000 28,542,000 24,418,000 23,568,000 20,721,000 17,788,000 16,958,000 21,754,000 18,116,000 16,116,000 14,897,000 11,840,000 12,230,000 11,207,000 11,406,000 10,072,000 10,009,000 
      general and administrative
    94,376,000 79,450,000 78,715,000 80,225,000 82,708,000 86,176,000 95,991,000 89,074,000 92,543,000 84,051,000 86,661,000 79,987,000 84,526,000 74,544,000 74,990,000 78,200,000 79,171,000 89,579,000 61,599,000 52,182,000 43,318,000 40,454,000 38,276,000 33,987,000 34,401,000 32,203,000 29,883,000 24,647,000 21,524,000 20,748,000 21,707,000 18,904,000 18,218,000 22,094,000 28,411,000 22,763,000 22,625,000 21,942,000 22,537,000 19,076,000 15,600,000 15,250,000 17,632,000 20,457,000 
      asset impairment charge
    25,425,750   101,703,000                                         
      total operating expenses
    514,693,000 400,670,000 402,686,000 481,442,000 479,339,000 389,953,000 393,547,000 390,731,000 471,107,000 358,919,000 442,610,000 367,225,000 442,122,000 1,374,848,000 341,153,000 321,956,000 365,924,000 295,028,000 290,826,000 257,092,000 305,240,000 213,141,000 198,216,000 120,274,000 154,136,000 114,766,000 104,642,000 85,038,000 113,428,000 84,682,000 74,216,000 65,819,000 73,758,000 62,572,000 77,686,000 64,333,000 69,752,000 55,575,000 51,582,000 47,153,000 49,283,000 43,198,000 43,247,000 42,676,000 
      income from operations
    129,397,000 82,711,000 76,429,000 -22,327,000 155,132,000 86,817,000 70,169,000 68,090,000 115,458,000 88,556,000 -2,372,000 78,199,000 139,344,000 -954,780,000 72,561,000 84,315,000 142,249,000 83,741,000 89,105,000 150,637,000 161,335,000 118,169,000 119,140,000 25,365,000 25,038,000 14,232,000 17,848,000 31,643,000           4,669,000 6,783,000 8,416,000 -1,667,000 -3,791,000 -4,842,000 
      yoy
    -16.59% -4.73% 8.92% -132.79% 34.36% -1.96% -3058.22% -12.93% -17.14% -109.28% -103.27% -7.25% -2.04% -1240.16% -18.57% -44.03% -11.83% -29.13% -25.21% 493.88% 544.36% 730.30% 567.53% -19.84%               -223.16% -240.09%     
      qoq
    56.44% 8.22% -442.32% -114.39% 78.69% 23.73% 3.05% -41.03% 30.38% -3833.39% -103.03% -43.88% -114.59% -1415.83% -13.94% -40.73% 69.87% -6.02% -40.85% -6.63% 36.53% -0.82% 369.70% 1.31% 75.93% -20.26% -43.60%            -31.17% -19.40% -604.86% -56.03% -21.71%  
      operating margin %
    14.68% 12.20% 11.36% -3.43% 18.20% 13.11% 10.83% 10.54% 13.71% 13.92% -0.38% 12.20% 17.26% -160.61% 12.40% 14.56% 19.84% 15.73% 16.85% 27.36% 26.13% 26.17% 27.79% 11.12% 9.27% 7.19% 9.86% 18.69% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 5.47% 8.29% 9.58% -2.54% -6.18% -8.27% 
      other income:
                                                
      interest expense
    -5,647,000 -5,685,000 -3,773,000              -3,539,000 -2,779,000 -1,882,000 -1,685,000 -11,417,000 -10,615,000 -10,026,000 -9,967,000 -9,912,000 -5,077,000 -4,678,000 -4,653,000 -6,154,000 -6,135,000 -6,125,000 -3,764,000             
      interest and other income
    12,870,000 14,282,000 9,031,000              216,000 139,000 803,000 979,000 599,000 1,158,000 1,732,000 3,613,000 3,540,000 2,883,000 3,391,000 3,385,000 3,055,000 2,367,000 2,438,000 1,097,000 758,000 654,000 543,000 439,000 389,000 402,000 470,000 441,000     
      foreign exchange gain
    133,000 777,000 -25,444,000              5,447,000 2,698,000 -2,272,000 7,797,000   1,470,000 -9,318,000    1,062,000    1,850,000 2,153,000 8,069,000  2,780,000   -6,386,000 8,120,000   5,805,000  
      loss on sale of business
      -5,097,000                                          
      other income
    -6,725,250 9,374,000 -25,283,000 -10,992,000 1,841,500 -13,007,000 8,808,000 11,565,000 4,817,250 8,411,000 7,786,000 3,072,000 2,009,000 5,763,000 601,000 1,672,000                             
      income before income taxes
    136,753,000 92,085,000 51,146,000 -33,319,000 178,333,000 73,810,000 78,977,000 79,655,000 109,168,000 96,967,000 5,414,000 81,271,000 127,890,000 -949,017,000 73,162,000 85,987,000 144,373,000 83,799,000 85,754,000 157,728,000 153,307,000 90,393,000 112,316,000 9,693,000 22,751,000 10,089,000 16,369,000 31,437,000 22,876,000 14,596,000 4,625,000  18,266,000 13,240,000     -3,050,000 14,806,000 2,108,000 -2,796,000 -1,445,000 -25,861,000 
      provision for income taxes
    -14,416,250 -16,582,000 -22,306,000 -18,777,000    -16,651,000                             -4,787,000 -4,363,000 -4,261,000 -13,614,000 -6,340,000 -4,095,000  -10,725,000 
      net income
    110,735,000 75,503,000 28,840,000 -52,096,000 129,906,000 57,366,000 53,005,000 63,004,000 83,266,000 87,850,000 61,915,000 74,537,000 109,548,000 -963,068,000 73,123,000 86,109,000 161,557,000 89,930,000 98,254,000 143,766,000 148,538,000 91,761,000 96,425,000 12,522,000 31,291,000 14,801,000 18,223,000 31,579,000 41,251,000 19,894,000 3,379,000 12,967,000    -421,000 -21,383,000 -2,399,000 -7,311,000 1,192,000 -4,232,000 -6,891,000 -6,354,000 -36,586,000 
      yoy
    -14.76% 31.62% -45.59% -182.69% 56.01% -34.70% -14.39% -15.47% -23.99% -109.12% -15.33% -13.44% -32.19% -1170.91% -25.58% -40.10% 8.76% -2.00% 1.90% 1048.11% 374.70% 519.96% 429.14% -60.35% -24.14% -25.60% 439.30% 143.53%    -3180.05%    -135.32% 405.27% -65.19% 15.06% -103.26%     
      qoq
    46.66% 161.80% -155.36% -140.10% 126.45% 8.23% -15.87% -24.33% -5.22% 41.89% -16.93% -31.96% -111.37% -1417.05% -15.08% -46.70% 79.65% -8.47% -31.66% -3.21% 61.87% -4.84% 670.04% -59.98% 111.41% -18.78% -42.29% -23.45% 107.35% 488.75% -73.94%     -98.03% 791.33% -67.19% -713.34% -128.17% -38.59% 8.45% -82.63%  
      net income margin %
    12.56% 11.14% 4.29% -8.00% 15.24% 8.66% 8.18% 9.75% 9.89% 13.81% 9.85% 11.63% 13.57% -162.00% 12.50% 14.87% 22.53% 16.89% 18.58% 26.11% 24.06% 20.32% 22.49% 5.49% 11.59% 7.48% 10.06% 18.65% 20.62% 13.23% 2.55% 10.72% 0% 0% 0% -0.43% -19.40% -2.74% -8.57% 1.46% -4.81% -10.49% -10.35% -62.49% 
      net income per share
                                                
      basic
    1.09 0.76 0.28 -0.49 1.15 0.5 0.46 0.53 0.69 0.72 0.5 0.6 0.85 -7.62 0.58 0.68 1.26 0.71 0.77 1.14 1.2 0.75 0.81 0.11 0.26 0.12 0.15 0.26 0.34 0.17 0.03         0.01     
      diluted
    0.92 0.63 0.25 -0.49 1.01 0.45 0.41 0.48 0.62 0.64 0.45 0.53 0.85 -7.62 0.51 0.6 1.1 0.62 0.68 1.1 0.7 0.75 0.1 0.25 0.12 0.14 0.24 0.32 0.15 0.03         0.01     
      weighted-average common shares outstanding:
                                                
      basic
    102,356 99,334 103,212 107,084 114,944 114,181 116,432 118,440 122,503,366 121,807,908 123,463,325 124,336,969 126,778,626 126,349,250 127,088,053 127,149,293 127,224,974 126,633,789 126,977,990 126,214,735 121,251,588 121,978,272 118,865,885 118,138,186 119,665,248 120,351,095 120,198,526 119,679,149 120,146,076 119,870,711 119,450,194 121,267,092 118,538,687 119,592,191 116,933,216 115,696,024    112,129,470     
      diluted
    124,114 124,957 121,514 107,084 131,721 130,748 133,118 135,338 140,145,406 138,890,567 141,010,561 142,965,820 126,778,626 126,349,250 145,683,336 146,677,879 146,683,324 147,413,915 144,867,491 144,714,686 136,414,592 137,560,385 134,408,041 123,119,053 125,720,073 126,243,168 130,807,743 130,237,875 127,084,785 129,086,137 125,551,759 125,772,315 122,267,673 123,224,559 120,723,938 115,696,024    115,368,566     
      asset impairment charges
              68,091,000                                  
      benefit for income taxes
        -48,427,000 -16,444,000 -25,972,000  -25,902,000 -9,117,000 56,501,000 -6,734,000 -18,342,000 -14,051,000 -39,000 122,000 17,184,000 6,131,000 12,500,000 -13,962,000 -4,769,000 1,368,000 -15,891,000 2,829,000 8,540,000 4,712,000   18,375,000 5,298,000             -4,909,000  
      goodwill impairment
                 1,045,022,000                               
      loss on extinguishment of debt
                         -16,855,000                       
      total other income
                    2,124,000 58,000 -3,351,000 7,091,000                628,000   -7,719,000 8,023,000   2,346,000  
      foreign exchange loss
                        -2,328,000 -1,464,000   -269,750 -1,949,000               -6,048,000 -679,000  -20,853,000 
      total other expense
                        -8,028,000 -27,776,000 -6,824,000 -15,672,000 -1,457,000 -4,143,000 -1,479,000 -206,000         -20,048,000 -709,000   -6,308,000 -1,129,000  -21,019,000 
      foreign exchange (loss) gain
                              -192,000  -743,250 -373,000 -4,450,000    16,103,000  767,750 1,337,000       
      benefit (provision) for income taxes
                              1,854,000 142,000                 
      income (loss) from operations
                                11,324,250 18,737,000 12,762,000 13,798,000 -1,598,500 7,425,000 -11,718,000 -2,101,000         
      total other (expense) income
                                -3,273,750 -4,141,000 -8,137,000 -817,000 5,098,250 5,815,000 13,950,000          
      (provision) benefit for income taxes
                                  -1,246,000 -14,000 5,762,750 12,562,000 9,437,000 1,052,000         
      income (loss) before income taxes
                                   12,981,000    -1,473,000         
      net income (loss) per share attributable to common stockholders:
                                                
      basic
                                   0.11             
      diluted
                                   0.1             
      interest expense and amortization of deferred financing costs
                                    -2,935,000 -2,908,000 -2,696,000 -2,591,000 -2,415,000 -2,448,000 -1,803,000 -538,000 -470,000 -512,000 -351,000 -193,000 
      net (loss) income
                                    9,262,500 25,802,000 11,669,000          
      net (loss) income per share attributable to common stockholders:
                                                
      basic
                                    0.08 0.22 0.1          
      diluted
                                    0.078 0.21 0.1          
      (loss) income before income taxes
                                      2,232,000  3,430,000 1,964,000       
      (loss) income from operations
                                        3,531,250 2,673,000       
      other expense:
                                                
      net unrealized gain on warrant and other liabilities
                                            -784,000 3,000 -3,151,000 12,000 
      net income per share
                                                
      basic and diluted
                                        -0.18 -0.02 -0.06   -0.06 -0.07 -0.84 
      weighted-average common shares outstanding:
                                                
      basic and diluted
                                        113,562,738 113,757,212 113,045,888  91,122,291 111,329,917 96,503,149 43,703,508 
      net unrealized loss on warrant and other liabilities
                                                
      interest and dividend income
                                            29,250 59,000 43,000 15,000 
      pro forma net loss per share attributable to common stockholders:
                                                
      basic and diluted
                                               -0.38 
      pro forma weighted-average common shares outstanding:
                                                
      basic and diluted
                                               97,151,751 
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 
                                                  
        assets
                                                  
        current assets:
                                                  
        cash and cash equivalents
      1,395,836,000 1,248,940,000 1,183,357,000 649,191,000 811,178,000 818,939,000 759,211,000 788,837,000 914,323,000 741,958,000 841,512,000 786,796,000 921,278,000 789,990,000 758,874,000 756,237,000 780,196,000 619,402,000 2,053,882,000 1,163,678,000 1,244,099,000 1,144,974,000 677,524,000 442,354,000 443,293,000 671,769,000 359,159,000 345,674,000 366,985,000 362,727,000 357,820,000 533,855,000 315,442,000 260,288,000 226,885,000 194,807,000 181,592,000 188,030,000 167,482,000 158,381,000 271,244,000 266,283,000 268,155,000 70,739,000 
        short-term investments
      224,088,000 259,211,000 228,979,000 218,504,000 228,322,000 226,022,000 240,679,000 254,875,000 236,118,000 234,930,000 235,263,000 252,666,000 250,413,000 251,165,000 247,816,000 225,983,000 204,416,000 197,430,000 430,727,000 502,569,000 425,119,000 379,586,000 365,659,000 361,640,000 373,959,000 180,170,000 274,673,000 276,432,000 257,302,000 221,409,000 209,689,000 67,526,000 25,108,000 50,407,000 60,353,000 81,145,000 100,494,000 82,338,000 110,718,000 111,297,000 21,620,000 20,474,000 21,542,000 21,533,000 
        accounts receivable
      8,690,000 7,412,000 6,474,000 8,948,000 8,702,000 8,644,000 10,324,000 16,542,000 24,734,000 19,410,000 22,594,000 26,274,000 27,888,000 21,765,000 20,133,000 20,645,000 27,266,000 23,884,000 20,283,000 22,991,000 22,605,000 16,311,000 16,527,000 11,712,000 15,386,000 12,494,000 10,585,000 10,789,000 12,244,000 36,385,000 30,615,000 31,292,000 33,677,000 27,172,000 24,990,000 25,085,000 26,426,000 20,886,000 19,507,000 19,249,000 20,275,000 15,976,000 14,028,000 14,513,000 
        prepaid and other current assets
      127,367,000 109,827,000 88,593,000 71,294,000 89,931,000 94,514,000 109,311,000 104,633,000 129,884,000 125,605,000 93,240,000 76,856,000 80,203,000 93,700,000 112,855,000 101,123,000 109,417,000 68,936,000 49,693,000 46,277,000 56,152,000 43,590,000 30,768,000 36,074,000 38,614,000 43,934,000 34,647,000 26,859,000 22,686,000 23,958,000 18,558,000 23,738,000 20,379,000 17,325,000 28,916,000 19,911,000 15,571,000 10,840,000 8,972,000 9,092,000 9,521,000 8,773,000 7,965,000 10,789,000 
        funds receivable and seller accounts
      205,002,000 168,237,000 140,596,000 162,046,000 189,558,000 172,562,000 239,481,000 239,532,000 265,387,000 221,958,000 221,147,000 202,354,000 233,961,000 195,493,000 180,544,000 191,149,000 220,206,000 167,682,000 136,395,000 158,104,000 146,806,000 113,370,000 103,857,000 55,172,000 49,786,000 37,473,000 64,589,000 64,247,000 21,072,000 63,470,000 49,551,000 48,586,000 44,658,000 45,191,000 35,084,000 34,292,000 29,817,000 34,180,000 22,966,000 25,461,000 19,262,000 17,069,000 10,927,000 12,095,000 
        total current assets
      1,960,983,000 1,793,627,000 1,647,999,000 1,109,983,000 1,327,691,000 1,320,681,000 1,359,006,000 1,404,419,000 1,570,446,000 1,343,861,000 1,413,756,000 1,344,946,000 1,513,743,000 1,352,113,000 1,320,222,000 1,295,137,000 1,341,501,000 1,077,334,000 2,690,980,000 1,893,619,000 1,894,781,000 1,697,831,000 1,194,335,000 906,952,000 921,038,000 945,840,000 743,653,000 724,001,000 680,289,000 707,949,000 666,233,000 704,997,000 439,264,000 400,383,000 376,228,000 355,240,000 371,032,000 353,406,000 346,777,000 340,612,000 359,054,000 349,314,000 343,357,000 142,288,000 
        restricted cash
      8,524,000 1,962,000         5,341,000 5,341,000 5,341,000 5,341,000 5,341,000 5,341,000 5,341,000 5,341,000 5,341,000 5,341,000 5,341,000 5,341,000 5,341,000 5,341,000 5,341,000 5,341,000 5,341,000 5,341,000 5,341,000 5,341,000 5,341,000 5,341,000 5,341,000 5,341,000 5,341,000 5,341,000 5,341,000 5,341,000 5,341,000 5,341,000 5,341,000 5,341,000 5,341,000 5,341,000 
        property and equipment
      229,197,000 231,825,000 230,233,000 237,833,000 236,706,000 242,889,000 238,798,000 241,875,000 249,794,000 245,806,000 243,129,000 248,352,000 249,744,000 249,905,000 261,697,000 271,333,000 275,062,000 198,902,000 105,814,000 107,960,000 112,495,000 118,141,000 126,187,000 134,519,000 144,864,000 153,262,000 128,409,000 131,650,000 120,179,000 119,243,000 117,024,000 116,385,000 117,617,000 124,543,000 129,074,000 127,168,000 126,407,000 123,708,000 125,754,000 116,480,000 105,021,000 94,655,000 85,446,000 78,438,000 
        goodwill
      38,067,000 38,060,000 38,072,000 36,245,000 137,089,000 138,622,000 137,742,000 137,894,000 138,377,000 137,461,000 138,076,000 138,061,000 137,724,000 135,922,000 1,269,155,000 1,364,414,000 1,371,064,000 1,385,214,000 140,045,000 139,745,000 140,810,000 139,740,000 138,757,000 138,305,000 138,731,000 138,474,000 37,342,000 37,034,000 37,482,000 37,802,000 37,959,000 39,228,000 38,541,000 38,216,000 37,438,000 35,970,000 35,657,000 37,765,000 28,147,000 28,642,000 27,752,000 28,366,000 28,297,000 28,225,000 
        intangible assets
      297,352,000    413,898,000    457,140,000    535,406,000    607,170,000    187,449,000    199,236,000    34,589,000    4,100,000    7,507,000 8,772,000 1,877,000 2,416,000 2,871,000 3,483,000 4,035,000 4,524,000 
        deferred tax assets
      119,310,000 134,342,000 156,124,000 148,656,000 145,630,000 144,408,000 137,756,000 141,012,000 137,776,000 146,380,000 170,477,000 128,679,000 121,506,000 115,068,000 105,331,000 102,991,000 95,863,000 103,809,000 46,106,000 7,723,000 115,000 1,819,000 8,336,000 15,232,000 14,257,000 22,380,000 23,319,000 23,000,000 23,464,000                
        long-term investments
      134,376,000 108,346,000 126,640,000 129,481,000 111,725,000 107,046,000 93,528,000 84,424,000 86,676,000 76,600,000 73,983,000 57,028,000 29,137,000 32,138,000 46,944,000 61,612,000 85,034,000 90,350,000 102,801,000 137,655,000 39,094,000 36,679,000 73,143,000 94,080,000 89,343,000 4,765,000 25,438,000             12,061,000     
        other assets
      39,445,000 40,597,000 41,066,000 44,727,000 45,043,000 44,617,000 45,571,000 43,218,000 45,191,000 46,208,000 49,789,000 43,668,000 42,360,000 42,806,000 47,485,000 49,042,000 50,774,000 28,084,000 20,475,000 23,056,000 24,404,000 25,834,000 24,247,000 28,339,000 29,542,000 27,034,000 25,131,000 26,303,000 507,000 673,000 676,000 714,000 720,000 879,000 935,000 958,000 985,000 1,040,000 932,000 1,721,000 1,626,000 1,751,000 2,113,000 2,124,000 
        total assets
      2,827,254,000 2,652,811,000 2,557,149,000 2,120,802,000 2,417,782,000 2,442,206,000 2,448,088,000 2,497,671,000 2,685,400,000 2,449,197,000 2,568,752,000 2,500,541,000 2,634,961,000 2,450,311,000 3,607,100,000 3,745,175,000 3,831,809,000 3,502,138,000 3,290,416,000 2,497,411,000 2,404,489,000 2,214,505,000 1,762,031,000 1,517,642,000 1,542,352,000 1,499,198,000 1,021,775,000 981,168,000 901,851,000 907,368,000 865,310,000 870,165,000 605,583,000 574,062,000 554,317,000 530,739,000 581,193,000 569,201,000 550,956,000 549,176,000 553,061,000 538,621,000 529,128,000 331,362,000 
        liabilities and stockholders’ deficit
                                                  
        current liabilities:
                                                  
        accounts payable
      28,810,000 9,215,000 15,165,000 17,396,000 25,979,000 19,589,000 13,070,000 10,132,000 29,920,000 14,150,000 14,997,000 19,901,000 28,757,000 16,841,000 17,929,000 15,734,000 28,007,000 13,367,000 26,752,000 16,386,000 40,883,000 22,130,000 15,978,000 10,557,000 26,324,000 23,416,000 20,504,000 17,325,000 26,545,000 14,130,000 14,760,000 8,094,000 13,622,000 7,241,000 7,595,000 6,371,000 10,978,000 7,323,000 7,574,000 13,571,000 14,382,000 3,200,000 5,955,000 7,058,000 
        accrued expenses
      393,015,000 309,348,000 254,204,000 264,207,000 374,947,000 298,995,000 256,819,000 262,518,000 353,553,000 271,973,000 231,673,000 240,025,000 331,234,000 249,964,000 218,029,000 241,349,000 328,118,000 245,300,000 209,823,000 218,157,000 232,352,000 174,206,000 134,016,000 68,885,000 88,345,000 70,325,000 55,687,000 40,123,000 49,158,000 37,191,000 35,447,000 35,384,000 28,743,000 26,288,000 30,377,000 22,638,000 24,179,000 20,037,000 29,448,000 22,905,000 31,253,000 32,861,000   
        short-term debt
      649,008,000                                            
        funds payable and amounts due to sellers
      205,002,000 168,237,000 140,596,000 162,046,000 189,558,000 172,562,000 239,481,000 239,532,000 265,387,000 221,958,000 221,147,000 202,354,000 233,961,000 195,493,000 180,544,000 191,149,000 220,206,000 167,682,000 136,395,000 158,104,000 146,806,000 113,370,000 103,857,000 55,172,000 49,786,000 37,473,000 64,589,000 64,247,000 21,072,000 63,470,000 49,551,000 48,586,000 44,658,000 45,191,000 35,084,000 34,292,000 29,817,000 34,180,000 22,966,000 25,461,000 19,262,000 17,069,000 10,927,000 12,095,000 
        deferred revenue
      27,049,000 25,612,000 23,598,000 22,297,000 19,213,000 17,097,000 15,788,000 13,869,000 14,635,000 14,984,000 14,411,000 14,506,000 14,008,000 12,225,000 11,873,000 12,503,000 12,339,000 12,518,000 12,312,000 12,260,000 11,264,000 10,508,000 9,181,000 8,250,000 7,617,000 7,434,000 8,011,000 7,787,000 7,478,000 7,180,000 6,440,000 6,464,000 6,262,000 6,322,000 5,789,000 5,777,000 5,648,000 5,595,000 5,199,000 5,036,000 4,712,000 4,128,000 3,990,000 3,639,000 
        other current liabilities
      60,735,000 51,463,000 46,504,000 46,972,000 49,268,000 38,636,000 33,290,000 33,025,000 41,207,000 20,531,000 16,317,000 17,614,000 19,064,000 17,896,000 17,818,000 20,015,000 24,500,000 23,383,000 13,027,000 13,499,000 14,822,000 12,383,000 8,474,000 7,985,000 8,181,000 7,289,000 8,413,000 9,266,000 3,925,000 2,676,000 2,925,000 3,167,000 3,394,000 2,499,000 2,134,000 5,327,000 6,557,000 3,880,000 2,977,000 4,367,000 4,903,000 7,925,000   
        total current liabilities
      1,363,619,000 565,072,000 486,362,000 519,138,000 665,113,000 552,960,000 564,485,000 565,121,000 710,781,000 548,817,000 503,219,000 499,113,000 631,755,000 497,246,000 449,902,000 483,205,000 615,588,000 471,007,000 407,000,000 427,045,000 454,664,000 340,942,000 279,579,000 158,849,000 188,528,000 154,707,000 166,510,000 148,675,000 112,062,000 128,931,000 113,499,000 106,556,000 102,477,000 94,089,000 88,324,000 81,153,000 84,008,000 77,578,000 74,511,000 77,359,000 80,122,000 69,614,000 52,237,000 46,866,000 
        finance lease obligations—net of current portion
      93,482,000 93,857,000 90,302,000 91,902,000 93,482,000 95,044,000 96,587,000 98,112,000 99,620,000 101,114,000 102,618,000 104,144,000 105,699,000 106,330,000 107,287,000 108,857,000 110,283,000 38,700,000 40,969,000 43,042,000 44,979,000 47,147,000 49,258,000 51,458,000 53,611,000 55,576,000 57,409,000 59,610,000                 
        deferred tax liabilities
      8,808,000 5,346,000 5,425,000 7,407,000 7,957,000 7,101,000 8,788,000 11,023,000 13,192,000 25,496,000 28,982,000 44,379,000 44,735,000 62,155,000 68,639,000 77,027,000 79,484,000 94,158,000 33,000 33,000 58,481,000 63,448,000 66,301,000 63,126,000 64,497,000 83,130,000 32,642,000 32,637,000 30,455,000 30,851,000 32,292,000 32,303,000 23,786,000 40,580,000 65,028,000 65,034,000 65,068,000 62,882,000 61,420,000 61,419,000 61,420,000 66,227,000 70,687,000 70,849,000 
        long-term debt
      2,333,230,000 2,980,605,000 2,978,971,000 2,289,149,000 2,288,083,000 2,287,016,000 2,285,950,000 2,284,883,000 2,283,817,000 2,282,751,000 2,281,684,000 2,280,663,000 2,279,640,000 2,278,585,000 2,277,519,000 2,276,480,000 2,275,418,000 2,274,351,000 2,273,331,000 1,302,345,000 1,062,299,000 1,054,604,000 803,227,000 794,129,000 785,126,000 776,127,000 284,011,000 280,226,000 276,486,000 272,790,000 269,133,000 265,415,000             
        other liabilities
      126,210,000 120,515,000 120,659,000 123,505,000 122,013,000 124,385,000 127,274,000 122,293,000 121,705,000 113,547,000 116,424,000 112,430,000 120,406,000 112,237,000 122,458,000 122,739,000 122,417,000 90,300,000 38,330,000 41,172,000 41,642,000 41,697,000 39,491,000 43,233,000 43,956,000 40,396,000 38,902,000 40,007,000 19,864,000 17,378,000 17,464,000 18,132,000 18,262,000 25,971,000 25,827,000 25,308,000 24,704,000 23,746,000 22,761,000 22,274,000 21,646,000 21,699,000 21,656,000 21,569,000 
        total liabilities
      3,925,349,000 3,765,395,000 3,681,719,000 3,031,101,000 3,176,648,000 3,066,506,000 3,083,084,000 3,081,432,000 3,229,115,000 3,071,725,000 3,032,927,000 3,040,729,000 3,182,235,000 3,056,553,000 3,025,805,000 3,068,308,000 3,203,190,000 2,968,516,000 2,759,663,000 1,813,637,000 1,662,065,000 1,547,838,000 1,237,856,000 1,110,795,000 1,135,718,000 1,109,936,000 579,474,000 561,155,000 500,953,000 512,749,000 495,219,000 485,678,000 208,689,000 225,847,000 246,038,000 235,691,000 236,436,000 224,745,000 217,935,000 219,645,000 222,563,000 215,827,000 203,367,000 196,248,000 
        commitments and contingencies
                                                  
        stockholders' deficit:
                                                  
        common stock
      97,000 99,000 100,000 105,000 109,000 113,000 115,000 117,000 119,000 120,000 123,000 123,000 125,000 126,000 127,000 127,000 127,000 127,000 127,000 127,000 126,000 126,000 119,000 118,000 119,000 119,000 120,000 120,000 120,000 120,000 120,000 120,000 122,000 121,000 118,000 116,000 116,000 115,000 114,000 113,000     
        preferred stock
                                                  
        additional paid-in capital
      1,532,204,000 1,494,175,000 1,431,154,000 1,385,110,000 1,322,809,000 1,270,347,000 1,203,294,000 1,151,846,000 1,081,026,000 1,028,335,000 957,738,000 913,672,000 815,085,000 773,887,000 712,053,000 672,486,000 631,762,000 624,374,000 590,232,000 664,240,000 883,166,000 886,295,000 675,213,000 657,311,000 642,628,000 637,176,000 573,611,000 570,906,000 562,033,000 551,293,000 546,121,000 542,554,000 499,441,000 482,936,000 462,578,000 447,648,000 442,510,000 433,894,000 417,981,000 411,208,000     
        accumulated deficit
      -2,404,020,000 -2,380,707,000 -2,335,843,000 -2,027,047,000 -1,784,037,000 -1,652,267,000 -1,552,642,000 -1,454,137,000 -1,357,390,000 -1,347,230,000 -1,135,412,000 -1,156,134,000      -21,467,000 -56,970,000  -146,819,000 -217,866,000 -143,458,000 -239,883,000 -227,414,000 -236,510,000 -124,015,000 -142,238,000 -153,442,000 -149,707,000 -169,602,000 -151,906,000 -96,290,000 -130,740,000 -156,542,000 -168,211,000 -116,341,000 -94,958,000 -92,559,000 -85,248,000     
        accumulated other comprehensive loss
      -226,376,000 -226,151,000 -219,981,000 -268,467,000 -297,747,000 -242,493,000 -285,763,000 -281,587,000 -267,470,000 -303,753,000 -286,624,000 -297,849,000 -314,217,000 -372,858,000 -237,126,000 -91,031,000      -1,888,000 -7,699,000 -10,699,000 -8,699,000 -11,523,000 -7,415,000 -8,775,000 -7,813,000 -7,087,000 -6,548,000 -6,281,000             
        total stockholders' deficit
      -1,098,095,000    -758,866,000   -583,761,000 -543,715,000 -622,528,000 -464,175,000 -540,188,000                                 
        total liabilities and stockholders’ deficit
      2,827,254,000 2,652,811,000 2,557,149,000 2,120,802,000 2,417,782,000 2,442,206,000 2,448,088,000  2,685,400,000                                    
        intangible assets, net of accumulated amortization of 128,740 and 161,495 as of september 30, 2025 and december 31, 2024, respectively
       304,052,000                                           
        finance lease obligations—current
       1,197,000 6,295,000 6,220,000 6,148,000 6,081,000 6,037,000 6,045,000 6,079,000 5,221,000 4,674,000 4,713,000 4,731,000 4,827,000 3,709,000 2,455,000 2,418,000 8,757,000 8,691,000 8,639,000 8,537,000 8,345,000 8,073,000 8,000,000 8,275,000 8,770,000 9,306,000 9,927,000                 
        stockholders’ deficit:
                                                  
        total stockholders’ deficit
       -1,112,584,000 -1,124,570,000 -910,299,000  -624,300,000 -634,996,000                                      
        intangible assets, net of accumulated amortization of 123,611 and 161,495 as of june 30, 2025 and december 31, 2024, respectively
        317,015,000                                          
        intangible assets, net of accumulated amortization of 174,368 and 161,495 as of march 31, 2025 and december 31, 2024, respectively
         413,877,000                                         
        intangible assets, net of accumulated amortization of 158,367 and 125,932 as of september 30, 2024 and december 31, 2023, respectively
           443,943,000                                       
        intangible assets, net of accumulated amortization of 143,923 and 125,932 as of june 30, 2024 and december 31, 2023, respectively
            435,687,000                                      
        intangible assets, net of accumulated amortization of 134,525 and 125,932 as of march 31, 2024 and december 31, 2023, respectively
             444,829,000                                     
        total liabilities and stockholders' deficit
             2,497,671,000  2,449,197,000 2,568,752,000 2,500,541,000                                 
        intangible assets, net of accumulated amortization of 113,638 and 92,179 as of september 30, 2023 and december 31, 2022, respectively
               452,881,000                                   
        intangible assets, net of accumulated amortization of 176,005 and 92,179 as of june 30, 2023 and december 31, 2022, respectively
                474,201,000                                  
        intangible assets, net of accumulated amortization of 103,793 and 92,179 as of march 31, 2023 and december 31, 2022, respectively
                 534,466,000                                 
        liabilities and stockholders’ (deficit) equity
                                                  
        stockholders’ (deficit) equity:
                                                  
        (accumulated deficit) retained earnings
                  -1,048,267,000 -1,007,397,000                               
        total stockholders’ (deficit) equity
                  -547,274,000                                
        total liabilities and stockholders’ (deficit) equity
                  2,634,961,000                                
        revenue
                  2,566,111,000 594,469,000                               
        cost of revenue
                  744,592,000 174,401,000                               
        gross profit
                  1,821,519,000 420,068,000                               
        operating expenses:
                                                  
        marketing
                  710,399,000 147,242,000                               
        product development
                  412,398,000 108,040,000                               
        general and administrative
                  312,260,000 74,544,000                               
        goodwill impairment
                  1,045,022,000 1,045,022,000                               
        total operating expenses
                  2,480,079,000 1,374,848,000                               
        income from operations
                  -658,560,000 -954,780,000                               
        other income:
                                                  
        loss on extinguishment of debt
                                                  
        interest expense
                  -14,168,000                                
        interest and other income
                  10,956,000                                
        foreign exchange gain
                  -206,000                                
        total other income
                  -3,418,000                                
        income before income taxes
                  -661,978,000 -949,017,000                               
        benefit for income taxes
                  -32,310,000 -14,051,000                               
        net income
                  -694,288,000 -963,068,000                               
        net income per share
                                                  
        basic
                  -5,480 -7,620                               
        diluted
                  -5,480 -7,620                               
        weighted-average common shares outstanding:
                                                  
        intangible assets, net of accumulated amortization of 78,531 and 53,152 as of september 30, 2022 and december 31, 2021, respectively
                   517,018,000                               
        total stockholders' (deficit) equity
                   -606,242,000                               
        total liabilities and stockholders' (deficit) equity
                   2,450,311,000                               
        other income
                   5,763,000                               
        intangible assets, net of accumulated amortization of 71,546 and 53,152 as of june 30, 2022 and december 31, 2021, respectively
                    550,925,000                              
        liabilities and stockholders’ equity
                                                  
        stockholders’ equity:
                                                  
        retained earnings
                    106,241,000 95,285,000 71,744,000   24,775,000                         
        total stockholders’ equity
                    581,295,000 676,867,000 628,619,000 533,622,000 530,753,000 683,774,000 742,424,000 666,667,000 524,175,000 406,847,000 406,634,000 389,262,000 442,301,000 420,013,000 400,898,000 394,619,000 370,091,000 384,487,000 396,894,000 348,215,000 308,279,000 295,048,000 344,757,000 344,456,000 333,021,000 329,531,000     
        total liabilities and stockholders’ equity
                    3,607,100,000 3,745,175,000 3,831,809,000 3,502,138,000 3,290,416,000 2,497,411,000 2,404,489,000 2,214,505,000 1,762,031,000 1,517,642,000 1,542,352,000 1,499,198,000 1,021,775,000 981,168,000 901,851,000 907,368,000 865,310,000 870,165,000 605,583,000 574,062,000 554,317,000 530,739,000 581,193,000 569,201,000 550,956,000 549,176,000     
        intangible assets, net of accumulated amortization of 63,686 and 53,152 as of march 31, 2022 and december 31, 2021, respectively
                     595,305,000                             
        accumulated other comprehensive income
                      -75,014,000 -69,412,000 -2,636,000 -5,368,000 5,951,000            -6,379,000 -4,102,000 2,125,000 15,495,000 18,472,000 5,405,000 7,485,000 3,458,000     
        intangible assets, net of accumulated amortization of 42,598 and 25,705 as of september 30, 2021 and december 31, 2020, respectively
                       613,104,000                           
        intangible assets, net of accumulated amortization of 33,133 and 25,705 as of june 30, 2021 and december 31, 2020, respectively
                        178,854,000                          
        intangible assets, net of accumulated amortization of 29,132 and 25,705 as of march 31, 2021 and december 31, 2020, respectively
                         182,312,000                         
        intangible assets, net of accumulated amortization of 21,437 and 16,911 as of september 30, 2020 and december 31, 2019, respectively
                           189,120,000                       
        intangible assets, net of accumulated amortization of 17,293 and 16,911 as of june 30, 2020 and december 31, 2019, respectively
                            191,685,000                      
        intangible assets, net of accumulated amortization of 13,377 and 16,911 as of march 31, 2020 and december 31, 2019, respectively
                             194,874,000                     
        facility financing obligation
                                  59,991,000 60,008,000 60,025,000 60,041,000 60,049,000 60,047,000 60,668,000 59,586,000 57,360,000 55,214,000 53,145,000 51,804,000 51,804,000 51,804,000 51,804,000 51,507,000 
        intangible assets, net of accumulated amortization of 13,005 and 7,378 as of september 30, 2019 and december 31, 2018, respectively
                               202,102,000                   
        intangible assets, net of accumulated amortization of 10,332 and 7,378 as of june 30, 2019 and december 31, 2018, respectively
                                33,142,000                  
        intangible assets, net of accumulated amortization of 8,794 and 7,378 as of march 31, 2019 and december 31, 2018, respectively
                                 33,839,000                 
        capital lease obligations—current
                                  3,884,000 4,284,000 4,376,000 4,861,000 5,798,000 6,548,000 7,345,000 6,748,000 6,829,000 6,563,000 6,347,000 6,019,000 5,610,000 4,431,000 4,021,000 2,181,000 
        capital lease obligations—net of current portion
                                  2,095,000 2,791,000 2,806,000 3,231,000 4,115,000 5,160,000 6,191,000 4,610,000 5,296,000 5,325,000 6,098,000 6,789,000 7,571,000 6,483,000 6,983,000 3,542,000 
        intangible assets, net of accumulated amortization
                                   36,360,000 38,077,000              
        intangible assets, net of accumulated amortization of 3,700 and 3,100 as of march 31, 2018 and december 31, 2017, respectively
                                     3,500,000             
        deferred tax charge—current
                                          17,132,000 17,132,000 17,132,000 17,132,000 17,132,000 17,605,000 17,605,000 9,687,000 
        deferred tax charge—net of current portion
                                          34,264,000 39,169,000 42,128,000 41,903,000 51,396,000 55,711,000 60,539,000 70,422,000 
        intangible assets, net of accumulated amortization of 4,209 and 2,500 as of december 31, 2016 and september 30, 2017, respectively
                                       4,700,000           
        intangible assets, net of accumulated amortization of 4,209 and 3,274 as of december 31, 2016 and june 30, 2017, respectively
                                        5,301,000          
        intangible assets, net of accumulated amortization of 4,209 and 5,674 as of december 31, 2016 and march 31, 2017, respectively
                                         6,062,000         
        liabilities, convertible preferred stock and stockholders’ equity
                                                  
        warrant liability
                                                 1,915,000 
        deferred tax assets—current
                                               3,134,000 3,135,000 2,932,000 
        accrued expenses and other current liabilities
                                                27,344,000 21,893,000 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 
                                                    
          cash flows from operating activities
                                                    
          net income
        110,735,000 75,503,000 28,840,000 -52,096,000 129,906,000 57,366,000 53,005,000 63,004,000 83,266,000 87,850,000 61,915,000 74,537,000 109,548,000 -963,068,000 73,123,000 86,109,000 161,557,000 89,930,000 98,254,000 143,766,000 148,538,000 91,761,000 96,425,000 12,522,000 31,291,000 14,801,000 18,223,000 31,579,000 41,251,000 19,894,000 3,379,000 12,967,000    -421,000    1,192,000     
          adjustments to reconcile net income to net cash from operating activities:
                                                    
          stock-based compensation expense
        63,355,000 60,772,000 58,510,000 62,108,000 68,155,000 69,292,000 74,717,000 70,683,000 68,476,000 70,118,000 77,281,000 68,683,000 64,355,000 52,905,000 64,357,000 49,271,000 49,863,000 42,256,000 27,440,000 20,351,000 17,450,000 17,128,000 16,725,000 13,811,000 13,339,000 12,137,000 10,837,000 8,082,000 12,648,000 8,191,000 7,898,000 5,740,000 5,266,000 6,797,000 6,549,000 4,043,000 4,160,000 2,975,000 3,452,000 2,581,000 2,422,000 2,204,000 2,222,000 2,133,000 
          depreciation and amortization expense
        24,894,000 24,263,000 25,398,000 27,290,000 26,402,000 27,739,000 27,087,000 26,846,000 23,033,000 22,172,000 22,946,000 23,172,000 22,794,000 24,127,000 25,027,000 24,754,000 24,991,000 23,211,000 12,985,000 13,080,000 13,101,000 15,754,000 14,171,000 15,163,000 15,271,000 12,808,000 9,810,000 10,142,000 7,626,000 6,439,000 6,357,000 6,320,000 6,577,000 7,022,000 6,660,000 6,938,000 6,905,000 5,786,000 5,103,000 4,731,000 4,509,000 4,968,000 4,732,000 4,341,000 
          provision for expected credit losses
        1,906,000 2,192,000 2,523,000 2,385,000 1,809,000 2,820,000 3,243,000 4,078,000 5,244,000 4,132,000 5,289,000 4,969,000 4,843,000 2,212,000 2,300,000 3,109,000 3,038,000 3,103,000 5,289,000 4,601,000 5,461,000                        
          deferred provision for income taxes
        17,941,000                -10,321,000 -57,503,000                           
          asset impairment charges
                                                  
          other non-cash expense
        -1,558,000 1,885,000 18,914,000 15,369,000   -6,490,000 -5,066,000 -2,228,000 1,722,000 -1,296,000 -99,000 -1,326,000 1,861,000 1,337,000 3,321,000 -4,799,000 2,044,000 1,096,000 1,184,000  1,386,000 1,315,000 530,000                     
          changes in operating assets and liabilities, net of sale of business:
                                                    
          accounts receivable
                                    23,846,000 -7,553,000 -762,000 1,684,000 -6,687,000 -3,147,000 -85,000 1,093,000 -6,442,000 -1,885,000 -664,000 799,000 -4,772,000 -1,757,000 -256,000 46,000 
          funds receivable and seller accounts
                                    42,834,000 -14,126,000 -1,732,000 -3,540,000 725,000 -9,766,000 -85,000 -4,351,000 3,849,000 -11,129,000 2,283,000 -5,913,000 -2,315,000 -6,125,000 1,326,000 -1,911,000 
          prepaid expenses and other current assets
                                    -5,940,000 -1,390,000 5,006,000 -2,461,000 -3,766,000 12,509,000 -8,787,000 -4,385,000 -6,596,000 -43,000 -19,000 472,000 -801,000 -838,000 -1,727,000 3,100,000 
          other assets
                                    11,000 25,000 7,000 20,000 6,000 -26,000 -28,000 2,000 -157,000 733,000 -140,000 73,000 233,000 -263,000 182,000 
          accounts payable
                                    13,444,000 -448,000 6,988,000 -6,620,000 5,411,000 -292,000 1,122,000 -3,404,000 2,474,000 -255,000 -5,977,000 173,000 10,258,000 -2,601,000 -510,000 -419,000 
          accrued and other current liabilities
                                    14,901,000 2,203,000 425,000 5,550,000 3,273,000 -3,994,000 6,162,000 -2,234,000         
          funds payable and amounts due to sellers
                                    -42,834,000 14,126,000 1,732,000 3,540,000 -725,000 9,766,000 85,000 4,351,000 -3,849,000 11,129,000 -2,283,000 5,913,000 2,315,000 6,125,000 -1,327,000 1,912,000 
          deferred revenue
                                    340,000 758,000 76,000 157,000 -78,000 485,000 -82,000 109,000 133,000 362,000 190,000 279,000 608,000 142,000 313,000 216,000 
          other liabilities
                                    4,421,000 433,000 2,150,000 2,095,000 29,301,000 -24,991,000 574,000 677,000 2,855,000 558,000 539,000 903,000 954,000 -5,031,000 -19,937,000 19,713,000 
          net cash from operating activities
        317,124,000 218,970,000 108,137,000 49,183,000 314,959,000 217,416,000 151,061,000 69,033,000 295,105,000 218,506,000 136,271,000 55,631,000 291,750,000 206,564,000 125,754,000 59,544,000 290,459,000 90,930,000 121,697,000 148,465,000 243,667,000 185,194,000 220,431,000 29,664,000               17,249,000 1,786,000 10,204,000 5,375,000 4,737,000 8,895,000 
          capital expenditures
        -1,266,000 -4,008,000 -6,864,000 -3,248,000 -4,034,000 -4,266,000 -3,651,000 -2,257,000 -5,198,000 -3,888,000 -1,603,000 -2,249,000 -1,886,000 -2,718,000 -2,421,000 -3,212,000 -5,508,000 -3,823,000 -1,391,000 -526,000 -1,057,000 -179,000 358,000 -567,000               -15,408,000 -10,870,000 -1,592,000 -4,980,000 -2,692,000 -1,852,000 
          free cash flows
        315,858,000 214,962,000 101,273,000 45,935,000 310,925,000 213,150,000 147,410,000 66,776,000 289,907,000 214,618,000 134,668,000 53,382,000 289,864,000 203,846,000 123,333,000 56,332,000 284,951,000 87,107,000 120,306,000 147,939,000 242,610,000 185,015,000 220,789,000 29,097,000               1,841,000 -9,084,000 8,612,000 395,000 2,045,000 7,043,000 
          cash flows from investing activities
                                                    
          purchases of property and equipment
        -1,266,000 -4,008,000 -6,864,000 -3,248,000 -4,034,000 -4,266,000 -3,651,000 -2,257,000 -5,198,000 -3,888,000 -1,603,000 -2,249,000 -1,886,000 -2,718,000 -2,421,000 -3,212,000 -5,508,000 -3,823,000 -1,391,000 -526,000 -1,057,000 -179,000 358,000 -567,000 -1,639,000 -2,142,000 -3,064,000 -683,000 -577,000 -138,000 -112,000 -192,000 -76,000 -279,000 -893,000 -2,700,000 -1,828,000 -7,875,000 -15,408,000 -10,870,000 -1,592,000 -4,980,000 -2,692,000 -1,852,000 
          website and app development
        -7,970,000 -9,844,000 -10,802,000 -10,662,000                                         
          purchases of investments
        -75,491,000 -53,521,000 -80,612,000 -116,958,000 -63,828,000 -74,072,000 -50,504,000 -142,359,000 -54,624,000 -90,661,000 -80,669,000 -116,896,000                                 
          sales and maturities of investments
        85,279,000 43,356,000 74,015,000 110,192,000 57,950,000 78,090,000 58,154,000 126,966,000 47,862,000 90,282,000 82,302,000 89,005,000                                 
          proceeds from sale of business, net of cash
                                                  
          net cash from investing activities
        552,000 -24,017,000 76,222,000 -20,676,000 -16,342,000 -9,015,000 -2,638,000 -25,106,000 -19,324,000 -11,270,000 -6,616,000 -36,097,000 -88,000 -3,464,000 -16,317,000 -10,155,000 -23,108,000 -1,454,658,000 100,807,000 -181,010,000 -53,022,000 18,911,000 16,639,000 6,093,000               -5,880,000 -114,426,000 -5,148,000 -6,115,000 -5,395,000 -6,625,000 
          cash flows from financing activities
                                                    
          payment of tax obligations on vested equity awards
        -32,694,000 -13,567,000 -20,790,000 -8,169,000 -19,452,000 -9,129,000 -27,071,000 -5,936,000 -25,433,000 -8,752,000 -40,062,000 -9,194,000 -31,145,000 -8,231,000 -27,499,000 -12,288,000 -49,020,000 -12,654,000 -41,691,000 -14,802,000 -27,905,000 -9,260,000 -6,353,000 -4,198,000 -8,942,000 -7,448,000 -10,485,000 -5,672,000                 
          repurchase of stock
        -133,229,000 -119,818,000 -334,675,000 -189,177,000 -259,585,000 -155,588,000 -150,382,000 -158,344,000 -92,981,000 -296,950,000 -38,855,000 -148,182,000 -150,419,000 -150,572,000 -62,168,000 -62,568,000 -68,347,000 -54,427,000   -77,491,000 -166,170,000 -24,992,000 -22,195,000 -127,298,000 -27,492,000 -44,986,000 -21,075,000 -68,586,000    -797,000 -625,000 -453,000       
          proceeds from exercise of stock options
        2,336,000 9,677,000 2,709,000 2,945,000 77,000 1,095,000 483,000 2,252,000 5,780,000 2,693,000 2,750,000 3,005,000 6,812,000 2,754,000 2,064,000 3,394,000 11,839,000 2,830,000 4,107,000 3,930,000 6,833,000 6,309,000 7,281,000 4,896,000 857,000 1,094,000 1,910,000 5,930,000 2,680,000 4,848,000 476,000 10,249,000 11,902,000 15,560,000 5,776,000 600,000 2,760,000 4,914,000 1,671,000 1,223,000 1,341,000 227,000 870,000 1,188,000 
          proceeds from issuance of convertible senior notes
                              345,000,000             
          payment of debt issuance costs
        -839,000       -29,000 -141,000 -2,045,000 -25,000 -451,000 -283,000 -12,541,000 -25,000 -767,000 -9,750,000 -14,000 -762,000 -9,750,000 -200,000 -1,192,000 -401,000 -434,000 -9,127,000             
          payments on finance lease obligations
        -1,568,000 -1,549,000 -1,531,000 -1,514,000 -1,500,000 -1,505,000 -1,538,000 -1,548,000 -1,555,000 -1,573,000 -1,575,000 -1,575,000 -1,552,000 -1,567,000 -1,590,000 -1,598,000 -1,543,000 -2,434,000 -2,466,000 -2,421,000 -2,155,000 -2,129,000 -2,361,000 -2,566,000 -2,656,000 -2,702,000 -2,730,000 -2,745,000                 
          other financing
        -138,000 -558,000 -8,359,000 -8,867,000 -1,915,000 -1,403,000 3,259,000 562,000 -1,510,000 19,000 234,000 -512,000 -7,759,000 1,852,000 -5,142,000 807,000 2,141,000 -165,000 -1,187,000 1,259,000 195,000 1,928,000 -4,392,000 -5,804,000 5,117,000 1,076,000 208,000 1,864,000                 
          net cash from financing activities
        -165,293,000 -126,654,000 326,854,000 -204,782,000 -282,375,000 -166,530,000 -175,249,000 -163,014,000 -115,699,000 -304,592,000 -77,694,000 -158,548,000 -184,074,000 -155,765,000 -94,362,000 -72,283,000 -105,418,000 -67,143,000 664,688,000 -39,378,000 -101,292,000 259,077,000 -5,825,000 -32,678,000 -28,581,000    -53,019,000    -3,432,000 7,489,000 1,414,000 -2,032,000 2,057,000 3,952,000 -452,000 253,000 565,000 -119,000 197,487,000 1,675,000 
          effect of exchange rate changes on cash
        1,075,000 -754,000 22,953,000 14,288,000 -24,003,000 17,857,000 -2,800,000 -6,399,000 12,283,000 -7,539,000 2,755,000 4,532,000 23,700,000 -16,219,000 -12,438,000 -1,065,000 -1,139,000 -3,609,000 3,012,000 -8,498,000 9,772,000 4,268,000 3,925,000 -4,018,000 1,642,000 -2,927,000 897,000 -1,458,000 -3,301,000 -519,000 -3,260,000 1,085,000 -530,000 853,000 1,288,000 -456,000 -3,573,000 -926,000 -1,816,000 -476,000 -660,000 -1,013,000 587,000 -2,865,000 
          net increase in cash, cash equivalents, and restricted cash
                172,365,000    131,288,000 31,116,000   160,794,000 -1,434,480,000   99,125,000 467,450,000   -228,476,000    4,258,000                
          cash and cash equivalents at beginning of period
        811,178,000                             181,592,000 271,244,000 69,659,000 
          cash, cash equivalents, and restricted cash at end of period
        153,458,000      -29,626,000 788,837,000 172,365,000 -104,895,000 54,716,000 792,137,000 131,288,000 31,116,000 2,637,000 761,578,000 160,794,000 -1,434,480,000 890,204,000 1,169,019,000 99,125,000 467,450,000 235,170,000 447,695,000 -228,476,000 312,610,000 13,485,000 351,015,000 4,258,000                
          asset impairment charge
         101,703,000                                         
          changes in operating assets and liabilities
                                                    
          current assets
         -51,079,000 -9,210,000 49,192,000  85,615,000 -2,267,000 52,456,000  -39,648,000 -34,656,000 34,726,000  -8,730,000 -12,047,000 32,195,000  -55,697,000 18,179,000 -11,580,000  -23,551,000 -49,191,000 -2,784,000  28,153,000 -2,991,000 -48,293,000                 
          non-current assets
         376,000 2,037,000 1,093,000  1,113,000 -2,776,000 1,652,000  913,000 -5,927,000 1,050,000  3,983,000 726,000 1,711,000  -7,823,000 2,525,000 1,231,000  -1,599,000 4,079,000 915,000  802,000 1,029,000 1,008,000                 
          current liabilities
         85,009,000 -19,013,000 -156,121,000  -23,391,000 -1,606,000 -140,027,000  49,585,000 223,000 -137,660,000  58,704,000 -21,487,000 -126,048,000  35,806,000 -24,628,000 -16,597,000  55,927,000 117,942,000 -27,235,000  -23,878,000 11,811,000 25,815,000                 
          non-current liabilities
         -2,243,000 -1,386,000 802,000  -3,192,000 5,209,000 637,000  3,121,000 2,327,000 -8,390,000  7,983,000 1,439,000 1,206,000  18,783,000 -2,814,000 -379,000  2,034,000 -4,166,000 -840,000  -1,171,000 -2,310,000 -672,000                 
          net increase in cash and cash equivalents
         67,545,000                                     9,101,000 -112,863,000 4,961,000 -1,872,000 197,416,000 1,080,000 
          deferred benefit for income taxes
          1,524,000 -2,542,000 -718,000 -9,436,000 939,000 -5,230,000 -4,831,000 22,313,000 -58,600,000 -8,968,000  -11,014,000 -4,424,000 -10,517,000    -3,068,000                         
          cash and cash equivalents at end of period
          534,166,000 649,191,000                             55,154,000 33,403,000 32,078,000 194,807,000 -6,438,000 20,548,000 9,101,000 158,381,000 4,961,000 -1,872,000 197,416,000 70,739,000 
          changes in operating assets and liabilities:
                                                    
          net decrease in cash and cash equivalents
           -161,987,000                                         
          loss on sale of business
                                                   
          cash paid for intangible assets
                                                   
          cash, cash equivalents, and restricted cash at beginning of period
            914,323,000 926,619,000 785,537,000 1,249,440,000 448,634,000 372,326,000                
          other non-cash income
                                                    
          development of internal-use software
             -8,767,000 -6,637,000 -7,456,000 -7,364,000 -6,991,000 -6,646,000 -5,957,000 -3,594,000 -5,345,000 -5,562,000 -6,005,000 -5,403,000 -4,435,000 -3,858,000 -3,226,000 -1,980,000 -1,642,000 -782,000 -1,261,000 -1,508,000 -1,573,000 -1,279,000 -3,390,000 -5,863,000 -5,528,000 -5,049,000 -3,097,000 -1,166,000 -1,438,000 -2,648,000 -3,956,000 -3,328,000 -2,830,000 -3,443,000 -2,168,000 -2,390,000 -2,206,000 -2,695,000 -2,428,000 
          settlement of convertible senior notes
                -45,000 -45,000 -11,000 -1,000 -27,000 -5,000 -37,000 -10,000 -16,534,000 -27,319,000 -2,000                        
          net decrease in cash, cash equivalents, and restricted cash
             59,728,000 -29,626,000 -125,486,000   54,716,000 -134,482,000    -23,959,000    -80,421,000    -939,000                     
          foreign exchange loss
                  -1,322,000 3,611,000     -6,912,000 -3,853,000 1,089,000 -4,395,000 -1,210,000 -1,835,000 2,237,000 8,157,000 -5,733,000    3,024,000 373,000       18,022,000 -1,337,000 6,386,000 -8,120,000 6,048,000 679,000 -5,805,000 20,853,000 
          changes in operating assets and liabilities, net of sale of business and acquisitions:
                                                    
          acquisition of businesses, net of cash acquired
                        -9,151,000        944,000                    
          purchase of capped calls
                                                 
          foreign exchange gain
                     -7,421,000 -4,597,000 -5,567,000            -171,000    -1,850,000  -8,069,000 -16,103,000 -2,780,000         
          non-cash interest expense
                        -708,000 673,000 342,000 271,000 9,760,000 9,300,000 8,456,000 8,570,000     3,336,000 3,297,000 3,258,000 1,077,000 -3,635,000 2,384,000 2,223,000 2,145,000 2,063,000 1,987,000       
          interest expense on marketable securities
                                                    
          goodwill impairment
                                                   
          loss on extinguishment of debt
                                                   
          changes in operating assets and liabilities, net of acquisitions:
                                                    
          cash paid for asset acquisition and intangible assets
                                -65,000                    
          purchases of marketable securities
                    -64,504,000 -72,199,000 -57,226,000 -76,416,000 -74,616,000 -74,930,000 -268,972,000 -198,357,000 -119,682,000 -79,697,000 -101,501,000 -343,600,000 -12,830,000 -146,508,000 -158,883,000 -155,104,000 -125,033,000 -174,338,000 -59,811,000 -15,540,000 -17,346,000 -6,222,000 -23,240,000 -51,852,000 -436,000 73,000 -108,289,000     
          sales and maturities of marketable securities
                    69,952,000 83,198,000 48,892,000 75,478,000 71,645,000 321,215,000 106,056,000 91,714,000                         
          amortization of debt issuance costs
                                    360,000 356,000 353,000 122,000 299,000 54,000 54,000 56,000 47,000 46,000 46,000 45,000 45,000 49,000 42,000 31,000 
          loss on disposal of assets
                                    110,000 30,000 -4,000 125,000 306,000 40,000 49,000 9,000 368,000 274,000 492,000 843,000 65,000 79,000 332,000 
          acquisition, net of cash acquired
                                                    
          payments on facility financing obligation
                                    -2,347,000 -2,348,000 -2,347,000 -3,122,000 -1,553,000 -3,106,000           
          deferred income taxes
                             -1,634,000 10,218,000 -2,829,000 -8,540,000 -4,712,000 -1,854,000 -142,000 -18,376,000 -3,661,000 -468,000 91,000            67,768,000 
          sales of marketable securities
                             140,414,000 96,760,000 109,422,000 65,750,000 129,496,000 124,900,000 140,952,000 120,500,000 113,971,000 33,025,000 17,447,000 40,800,000 27,250,000 27,000,000 42,290,000 33,568,000 27,337,000 12,898,000 6,901,000     
          bad debt expense
                              2,220,000 3,684,000 3,499,000 3,318,000 2,964,000 1,182,000 507,000 1,656,000 1,049,000 912,000 438,000 1,196,000 531,000 332,000 555,000 534,000 340,000 341,000 307,000 -169,000 875,000 767,000 
          purchase of capped call
                                   -34,224,000             
          adjustments to reconcile net income to net cash provided by operating activities:
                                                    
          other non-cash losses
                                 3,522,000 3,386,000 2,928,000                 
          changes in operating assets and liabilities, net of effects from purchase of acquired company:
                                                    
          net cash provided by operating activities
                                 47,045,000 49,836,000 31,458,000  30,620,000 40,091,000 26,421,000  16,874,000 12,139,000 3,309,000         
          net cash used in investing activities
                                 -160,300,000 -25,951,000 -22,004,000                 
          foreign exchange (gain) loss
                                                    
          cash paid for asset acquisition
                                                   
          net cash (used in) provided by financing activities
                                  -11,297,000 -29,307,000                 
          net (decrease) increase in cash, cash equivalents, and restricted cash
                                  13,485,000 -21,311,000                 
          stock-based compensation expense—acquisitions
                                    1,596,000 725,000 719,000 714,000 725,000 724,000 1,613,000 842,000 151,000 1,110,000       
          interest on marketable securities
                                    -1,312,000 -653,000 -842,000 -80,000 42,000 82,000 25,000 277,000 74,000   -258,000     
          amortization of deferred tax charge
                                            4,905,000 2,960,000 -226,000 9,493,000     
          payments on capital lease obligations
                                    -1,309,000 -1,327,000 -1,571,000 -1,850,000 -1,960,000 -2,096,000           
          deferred payments on acquisition of business
                                            -649,000     
          net cash (used in) provided by investing activities
                                     -16,728,000 -181,797,000 -45,653,000  8,187,000 17,237,000 12,394,000         
          repurchase of stock for tax on rsu vesting
                                     -9,238,000 -6,118,000 -1,780,000 -1,520,000 -2,869,000           
          net cash from (used in) financing activities
                                      -31,069,000 236,560,000             
          net increase in cash, cash equivalents and restricted cash
                                      -176,035,000 218,413,000             
          cash, cash equivalents and restricted cash at beginning of period
                                      320,783,000             
          cash, cash equivalents and restricted cash at end of period
                                      -176,035,000 539,196,000             
          adjustments to reconcile net income (loss) to net cash provided by operating activities:
                                                    
          contribution of stock to good work institute
                                                    
          net unrealized loss on warrant and other liabilities
                                                -3,000 -3,000 3,151,000 -12,000 
          proceeds from public offering
                                                  
          payments relating to public offering
                                                -1,133,000 -428,000 -1,009,000 -1,482,000 
          net (loss) income
                                         25,802,000           
          adjustments to reconcile net (loss) income to net cash provided by operating activities:
                                                    
          acquisition of business, net of cash acquired
                                                    
          net (decrease) increase in cash and cash equivalents
                                         33,403,000 32,078,000 13,215,000         
          supplemental non-cash disclosures
                                                    
          equipment acquired under capital lease obligations
                                          4,084,000 1,068,000         
          stock-based compensation capitalized in development of capitalized software
                                          219,000 306,000         
          non-cash additions to development of internal-use software and property and equipment
                                          -182,000 358,000         
          payments on capitalized lease obligations
                                           -1,835,000 -1,704,000 -1,572,000 -1,455,000 -1,355,000 -1,115,000 -1,008,000 -751,000 -503,000 
          net loss
                                            -21,383,000 -2,399,000   -4,232,000 -6,891,000 -6,354,000 -36,586,000 
          adjustments to reconcile net loss to net cash from operating activities:
                                                    
          loss on asset impairment
                                                    
          excess tax benefit from exercise of stock options
                                            -1,626,000 -1,063,000 488,000 -1,034,000 -1,472,000 -1,090,000 1,090,000 -2,472,000 
          net increase in restricted cash
                                                    
          proceeds from the issuance of common stock
                                                    
          excess tax benefit from the exercise of stock options
                                            1,626,000 1,063,000 -488,000 1,034,000 1,472,000 1,090,000 -1,090,000 2,472,000 
          adjustments to reconcile net loss to net cash provided by operating activities:
                                                    
          accrued liabilities
                                             -1,754,000 12,107,000 -10,819,000  9,486,000 4,264,000 3,969,000 
          net increase (decrease) in cash and cash equivalents
                                                    
          contribution of stock to etsy.org
                                                3,200,000 
          interest income on marketable securities
                                                    
          stock-based compensation expense-acquisitions
                                               656,000 -1,298,000 719,000 598,000 1,841,000 
          net unrealized gain on warrant and other liabilities
                                                    
          amortization of deferred tax charges
                                                2,039,000 5,210,000   
          accrued expenses
                                                    
          purchase of u.s. government and agency bills
                                                -7,488,000 -5,316,000 -7,836,000 -5,400,000 
          sale of marketable securities
                                                6,322,000 6,387,000 7,828,000 3,055,000 
          supplemental cash flow disclosures:
                                                    
          cash paid for interest
                                                    
          cash paid for income taxes
                                                    
          deferred tax charges
                                                   -80,109,000