v3.22.0.1

Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2021
Accounting Policies [Abstract] |
Schedule of Restricted Cash | The following table reconciles cash, cash equivalents, and restricted cash reported on the Company’s consolidated balance sheets to the total amount presented in the consolidated statements of cash flows (in thousands):
| As of December 31,
| 2019 | 2020 | 2021
Cash and cash equivalents | $ | 2,013,547 |  | $ | 5,480,557 |  | $ | 6,067,438 |
Cash and cash equivalents included in funds receivable and amounts held on behalf of customers | 3,129,781 |  | 2,153,849 |  | 3,645,087 |
Restricted cash | 115 |  | 33,846 |  | 14,764 |
Total cash, cash equivalents, and restricted cash presented in the consolidated statements of cash flows | $ | 5,143,443 |  | $ | 7,668,252 |  | $ | 9,727,289 |
Schedule of Cash and Cash Equivalents | The following table reconciles cash, cash equivalents, and restricted cash reported on the Company’s consolidated balance sheets to the total amount presented in the consolidated statements of cash flows (in thousands):
| As of December 31,
| 2019 | 2020 | 2021
Cash and cash equivalents | $ | 2,013,547 |  | $ | 5,480,557 |  | $ | 6,067,438 |
Cash and cash equivalents included in funds receivable and amounts held on behalf of customers | 3,129,781 |  | 2,153,849 |  | 3,645,087 |
Restricted cash | 115 |  | 33,846 |  | 14,764 |
Total cash, cash equivalents, and restricted cash presented in the consolidated statements of cash flows | $ | 5,143,443 |  | $ | 7,668,252 |  | $ | 9,727,289 |
The following tables summarize the amortized cost, gross unrealized gains and losses, and fair value of the Company’s available-for-sale debt securities aggregated by investment category (in thousands):
| December 31, 2020 |  |  | Classification as of December 31, 2020
| Cost or Amortized Cost | Gross Unrealized Gains | Gross Unrealized Losses | Total Estimated Fair Value |  |  | Cash and Cash Equivalents | Marketable Securities | Other Assets, Noncurrent | Funds Receivable(2)
Certificates of deposit | $ | 421,272 |  | $ | — |  | $ | — |  | $ | 421,272 |  |  |  | $ | 278,281 |  | $ | 142,991 |  | $ | — |  | $ | — |
Government bonds(1) | 1,924,988 |  | 65 |  | (1) |  | 1,925,052 |  |  |  | 1,392,966 |  | 65,867 |  | — |  | 466,219 |
Commercial paper | 1,021,150 |  | — |  | — |  | 1,021,150 |  |  |  | 779,527 |  | 241,623 |  | — |  | — |
Corporate debt securities | 508,901 |  | 1,475 |  | (1,635) |  | 508,741 |  |  |  | 229,633 |  | 267,618 |  | 11,490 |  | — |
Mortgage-backed and asset-backed securities | 36,553 |  | 913 |  | (113) |  | 37,353 |  |  |  | — |  | 37,353 |  | — |  | — |
Total | $ | 3,912,864 |  | $ | 2,453 |  | $ | (1,749) |  | $ | 3,913,568 |  |  |  | $ | 2,680,407 |  | $ | 755,452 |  | $ | 11,490 |  | $ | 466,219 |
(1)Includes U.S. government and government agency debt securities (2)Funds receivable and amounts held on behalf of customers
| December 31, 2021 |  |  | Classification as of December 31, 2021
| Cost or Amortized Cost | Gross Unrealized Gains | Gross Unrealized Losses | Total Estimated Fair Value |  |  | Cash and Cash Equivalents | Marketable Securities | Other Assets, Noncurrent | Funds Receivable(2)
Certificates of deposit | $ | 395,351 |  | $ | — |  | $ | — |  | $ | 395,351 |  |  |  | $ | 31,117 |  | $ | 364,234 |  | $ | — |  | $ | — |
Government bonds(1) | 850 |  | 13 |  | — |  | 863 |  |  |  | — |  | 863 |  | — |  | — |
Commercial paper | 1,156,963 |  | — |  | — |  | 1,156,963 |  |  |  | 163,959 |  | 993,004 |  | — |  | — |
Corporate debt securities | 917,718 |  | 220 |  | (3,147) |  | 914,791 |  |  |  | 41,439 |  | 862,901 |  | 10,451 |  | — |
Mortgage-backed and asset-backed securities | 34,019 |  | 338 |  | (321) |  | 34,036 |  |  |  | — |  | 34,036 |  | — |  | — |
Total | $ | 2,504,901 |  | $ | 571 |  | $ | (3,468) |  | $ | 2,502,004 |  |  |  | $ | 236,515 |  | $ | 2,255,038 |  | $ | 10,451 |  | $ | — |
(1)Includes U.S. government and government agency debt securities (2)Funds receivable and amounts held on behalf of customers
Schedule of Depreciation and Amortization on Property and Equipment | Depreciation and amortization on property and equipment is calculated using the straight-line method over the estimated useful lives indicated below:
Asset Category | Period
Computer equipment | 5 years
Computer software and capitalized internal-use software | 1.5 to 3 years
Office furniture and equipment | 5 years
Buildings | 25 to 40 years
Leasehold improvements | Lesser of estimated useful life or remaining lease term
Property and equipment, net, consisted of the following (in thousands):
| As of December 31,
| 2020 | 2021
Computer equipment | $ | 55,972 |  | $ | 56,513 |
Computer software and capitalized internal-use software | 163,702 |  | 175,129 |
Office furniture and equipment | 47,596 |  | 43,169 |
Leasehold improvements | 243,110 |  | 213,950 |
Buildings and land | 16,844 |  | 16,844 |
| 527,224 |  | 505,605 |
Less: Accumulated depreciation and amortization | (267,851) |  | (379,194) |
| 259,373 |  | 126,411 |
Construction in progress | 10,821 |  | 30,174 |
Total property and equipment, net | $ | 270,194 |  | $ | 156,585 |
Payments Made To Customers | The following table summarizes total payments made to customers (in thousands):
| Year Ended December 31,
| 2019 | 2020 | 2021
Reductions to revenue | $ | 274,461 |  | $ | 384,181 |  | $ | 156,160 |
Charges to operations and support | 103,364 |  | 83,093 |  | 68,850 |
Charges to sales and marketing expense | 129,623 |  | 56,680 |  | 46,730 |
Total payments made to customers | $ | 507,448 |  | $ | 523,954 |  | $ | 271,740 |

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