UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating activities
Net (loss)	$ (20,774)	$ (379)
Adjustments to reconcile net (loss) to cash provided by operating activities
Stock-based compensation	42,557	28,227
Deferred income taxes	(126)	(9,295)
(Gain) loss on capped call transactions	(3,206)	30,560
Amortization of deferred commissions	14,277	17,221
Lease expense	4,594	3,919
Amortization of intangible assets and depreciation	4,724	4,171
Foreign currency transaction loss (gain)	2,675	(2,876)
Other non-cash	(5,729)	(1,100)
Change in operating assets and liabilities, net	29,115	(55,332)
Cash provided by operating activities	68,107	15,116
Investing activities
Purchases of investments	(39,401)	(33,690)
Proceeds from maturities and called investments	36,475	20,915
Sales of investments	0	13,350
Investment in property and equipment	(11,487)	(6,657)
Cash (used in) investing activities	(14,413)	(6,082)
Financing activities
Repurchases of convertible senior notes	(29,901)	0
Proceeds from settlement of capped calls transactions	188	0
Dividend payments to stockholders	(2,474)	(2,454)
Proceeds from employee stock purchase plan	2,143	2,446
Proceeds from stock option exercises	1,779	0
Common stock repurchases	(1,107)	(35,910)
Cash (used in) financing activities	(29,372)	(35,918)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	782	(310)
Net increase (decrease) in cash, cash equivalents, and restricted cash	25,104	(27,194)
Cash, cash equivalents, and restricted cash, beginning of period	145,054	159,965
Cash, cash equivalents, and restricted cash, end of period	170,158	132,771
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents [Abstract]
Cash and cash equivalents	168,318	132,771
Restricted cash included in other long-term assets	1,840	0
Total cash, cash equivalents and restricted cash	$ 170,158	$ 132,771