UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Operating activities
Net (loss)	$ (7,279)	$ (93,520)	$ (74,857)	$ (380,195)
Adjustments to reconcile net (loss) to cash provided by (used in) operating activities
Stock-based compensation	31,299	33,774	110,083	93,301
Deferred income taxes			(188)	169,489
Loss on capped call transactions	2,294	6,876	449	56,381
Amortization of deferred commissions	14,947	11,597	43,974	39,752
Lease expense			12,018	11,500
Amortization of intangible assets and depreciation			14,181	12,381
Foreign currency transaction loss (gain)	(1,994)	(3,826)	3,971	(8,415)
Other non-cash			(16,487)	(1,705)
Change in operating assets and liabilities, net			44,776	(5,935)
Cash provided by (used in) operating activities			137,920	(13,446)
Investing activities
Purchases of investments			(190,466)	(39,056)
Proceeds from maturities and called investments			169,836	53,952
Sales of investments			10,725	18,415
Payments for acquisitions, net of cash acquired			0	(922)
Investment in property and equipment			(14,271)	(22,285)
Cash (used in) provided by investing activities			(24,176)	10,104
Financing activities
Repurchases of convertible senior notes			(88,989)	0
Dividend payments to stockholders			(7,458)	(7,368)
Proceeds from employee stock purchase plan			6,127	7,166
Proceeds from stock option exercises			6,602	0
Common stock repurchases			(1,654)	(43,282)
Other			341	0
Cash (used in) financing activities			(85,031)	(43,484)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash			(1,621)	(5,513)
Net increase (decrease) in cash, cash equivalents, and restricted cash			27,092	(52,339)
Cash, cash equivalents, and restricted cash, beginning of period			145,054	159,965
Cash, cash equivalents, and restricted cash, end of period	172,146	107,626	172,146	107,626
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents [Abstract]
Cash and cash equivalents	169,023	107,626	169,023	107,626
Restricted cash included in other long-term assets	3,123	0	3,123	0
Total cash, cash equivalents, and restricted cash	$ 172,146	$ 107,626	$ 172,146	$ 107,626