Unaudited Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Net loss	$ (48,763)	$ (35,656)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	2,679	2,349
Stock-based compensation	35,998	21,379
Amortization of deferred commissions	6,120	4,157
Noncash operating lease costs	2,326	2,242
Amortization of debt discount and issuance costs	370	1,689
Changes in assets and liabilities:
Trade receivables	53,575	42,927
Prepaid expenses and other current assets	(2,575)	(1,673)
Deferred commissions	(6,942)	(3,873)
Other long-term assets	359	900
Trade payables	(553)	(213)
Accrued expenses and other short-term liabilities	(12,502)	(5,029)
Deferred revenues	(5,646)	(7,618)
Other long-term liabilities	96	(1,198)
Net cash provided by operating activities	24,542	20,383
Cash flows from investing activities:
Proceeds from sales and maturities of marketable securities	0	6,036
Investment in marketable securities	(28,372)	0
Proceeds from short-term and long-term deposits	1,850	50,235
Investment in short-term and long-term deposits	(1,853)	(60,000)
Purchases of property and equipment	(3,495)	(1,116)
Net cash used in investing activities	(31,870)	(4,845)
Cash flows from financing activities:
Proceeds from employee stock plans	6,111	4,673
Taxes paid related to net share settlement of equity awards	(28,825)	(731)
Proceeds from follow-on offering, net	0	500,034
Net cash provided by (used in) financing activities	(22,714)	503,976
Increase (decrease) in cash and cash equivalents	(30,042)	519,514
Cash and cash equivalents at beginning of period	805,761	234,092
Cash and cash equivalents at end of period	775,719	753,606
Supplemental disclosure of cash flow information:
Cash paid for income taxes	507	2,822
Cash paid for interest	1,582	1,582
Lease liabilities arising from obtaining right-of-use assets	$ 248	$ 7,785