Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities:
Net loss	$ (100,916)	$ (124,518)	$ (116,861)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	11,703	12,176	10,888
Stock-based compensation	139,819	142,862	109,779
Amortization of deferred commissions	21,531	22,264	14,147
Noncash operating lease costs	9,468	9,305	8,232
Amortization of debt discount and issuance costs	1,514	1,486	6,870
Amortization of premium and accretion of discount on marketable securities	(9,354)	(344)	0
Gain from sale of property and equipment	0	(21)	0
Changes in assets and liabilities:
Trade receivables	(33,137)	(18,800)	(22,950)
Prepaid expenses and other current assets	(21,459)	(6,161)	(506)
Deferred commissions	(21,964)	(22,033)	(21,151)
Other long-term assets	(577)	502	1,404
Trade payables	(2,290)	(2,362)	4,474
Accrued expenses and other short-term liabilities	(5,278)	(9,115)	5,850
Deferred revenues	69,882	5,266	5,421
Other long-term liabilities	474	1,364	1,581
Net cash provided by operating activities	59,416	11,871	7,178
Cash flows from investing activities:
Proceeds from sales and maturities of marketable securities	301,350	41,600	34,117
Investment in marketable securities	(517,948)	(277,871)	0
Proceeds from short-term and long-term deposits	214,444	15,961	80,752
Investment in short-term and long-term deposits	(135,823)	(142,566)	(50,000)
Proceeds from sale of property and equipment	0	21	0
Purchases of property and equipment	(5,099)	(11,396)	(10,490)
Net cash provided by (used in) investing activities	(143,076)	(374,251)	54,379
Cash flows from financing activities:
Proceeds from employee stock plans	11,537	11,940	11,121
Taxes paid related to net share settlement of equity awards	(21,415)	(31,077)	(1,043)
Repurchase of common stock	(43,522)	(56,444)	0
Proceeds from follow-on offering, net	0	0	500,034
Net cash provided by (used in) financing activities	(53,400)	(75,581)	510,112
Increase (decrease) in cash and cash equivalents	(137,060)	(437,961)	571,669
Cash and cash equivalents at beginning of period	367,800	805,761	234,092
Cash and cash equivalents at end of period	230,740	367,800	805,761
Supplemental disclosure of cash flow information:
Cash paid for income taxes	16,089	7,354	8,507
Cash paid for interest	3,196	3,167	3,168
Lease liabilities arising from obtaining right-of-use assets	$ 3,166	$ 1,625	$ 22,156