CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Cash flows from operating activities:
Net income	$ 226,789	$ 307,106
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	349,483	314,732
Stock-based compensation	224,754	191,726
Provision for deferred income taxes	44,063	3,479
Amortization of debt issuance costs	3,250	3,342
(Gain) loss on investments	(9,313)	66
Other non-cash reconciling items, net	3,982	3,958
Changes in operating assets and liabilities, net of effects of acquisitions:
Accounts receivable	(33,117)	16,802
Prepaid expenses and other current assets	(29,699)	(24,763)
Accounts payable and accrued expenses	(84,541)	(47,426)
Deferred revenue	23,117	22,697
Other current liabilities	(22,457)	980
Other non-current assets and liabilities	14,038	(9,858)
Net cash provided by operating activities	710,349	782,841
Cash flows from investing activities:
Cash received (paid) for business acquisitions, net of cash acquired	790	(434,066)
Cash paid for asset acquisitions	(29,930)	(4,796)
Purchases of property and equipment	(263,312)	(184,745)
Capitalization of internal-use software development costs	(156,477)	(152,546)
Purchases of short- and long-term marketable securities	(669,795)	(186,122)
Proceeds from sales of short- and long-term marketable securities	266,004	307,614
Proceeds from maturities and redemptions of short- and long-term marketable securities	1,053,221	211,861
Other, net	(6,521)	4,535
Net cash provided by (used in) investing activities	193,980	(438,265)
Cash flows from financing activities:
Proceeds from borrowings under revolving credit facility	250,000	0
Repayment of borrowings under revolving credit facility	(250,000)	0
Proceeds from the issuance of convertible senior notes, net of issuance costs	1,702,188	0
Proceeds from the issuance of warrants related to convertible senior notes	330,855	0
Purchase of note hedge related to convertible senior notes	(605,820)	0
Repayment of convertible senior notes	(1,149,992)	0
Proceeds related to the issuance of common stock under stock plans	29,241	28,266
Employee taxes paid related to net share settlement of stock awards	(97,929)	(141,247)
Repurchases of common stock	(799,963)	(253,258)
Other, net	(2,035)	(10,187)
Net cash used in financing activities	(593,455)	(376,426)
Effects of exchange rate changes on cash, cash equivalents and restricted cash	21,501	(9,306)
Net increase (decrease) in cash, cash equivalents and restricted cash	332,375	(41,156)
Cash, cash equivalents and restricted cash at beginning of period	519,084	490,470
Cash, cash equivalents and restricted cash at end of period	851,459	449,314
Supplemental disclosures of cash flow information:
Cash paid for income taxes, net of refunds received of $3,634 and $5,033 for the six months ended June 30, 2025 and 2024, respectively	113,104	87,375
Cash paid for interest expense	11,380	10,145
Cash paid for operating lease liabilities	156,036	136,628
Non-cash activities:
Operating lease right-of-use assets obtained in exchange for operating lease liabilities	182,731	206,460
Purchases of property and equipment and capitalization of internal-use software development costs included in accounts payable and accrued expenses	75,565	46,837
Capitalization of stock-based compensation	63,918	53,989
Reconciliation of cash and cash equivalents, and restricted cash:
Cash and cash equivalents	850,302	448,042
Restricted cash	1,157	1,272
Cash, cash equivalents and restricted cash	$ 851,459	$ 449,314