CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
OPERATING ACTIVITIES:
Net income	$ 116,689	$ 42,265
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	42,624	39,359
Stock-based compensation	236,960	230,553
Noncash lease expense	26,460	24,325
Provision for expected credit losses on accounts receivable	133	318
Other	(4,117)	(8,423)
Changes in operating assets and liabilities:
Accounts receivable	(49,321)	(35,368)
Prepaid expenses and other current and non-current assets	(52,064)	(3,659)
Accounts payable	(13,247)	50,995
Accrued expenses and other current and non-current liabilities	(9,989)	399
Operating lease liabilities	(27,397)	(25,102)
Net cash provided by operating activities	266,731	315,662
INVESTING ACTIVITIES:
Purchases of investments	(317,969)	(316,307)
Maturities of investments	314,598	274,401
Purchases of property and equipment	(29,339)	(16,556)
Capitalized software development costs	(4,424)	(3,415)
Net cash used in investing activities	(37,134)	(61,877)
FINANCING ACTIVITIES:
Repurchases of Class A common stock	(125,280)	(336,494)
Proceeds from exercise of stock options	38,164	27,772
Proceeds from employee stock purchase plan	30,122	21,316
Taxes paid related to net settlement of restricted stock awards	(58,369)	(31,054)
Net cash used in financing activities	(115,363)	(318,460)
Increase (decrease) in cash and cash equivalents	114,234	(64,675)
Cash and cash equivalents—Beginning of period	895,129	1,030,506
Cash and cash equivalents—End of period	1,009,363	965,831
SUPPLEMENTAL CASH FLOW INFORMATION:
Cash paid for operating lease liabilities	33,272	30,870
Operating lease assets obtained in exchange for operating lease liabilities	58,133	16,967
Capitalized assets financed by accounts payable	37,927	3,033
Stock-based compensation included in capitalized software development costs	$ 2,901	$ 2,086