Unaudited Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net loss	$ (85,053)	$ (68,604)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	5,177	5,456
Stock-based compensation	73,756	47,247
Amortization of deferred commissions	11,886	8,069
Noncash operating lease costs	4,646	4,211
Amortization of debt discount and issuance costs	740	3,397
Changes in assets and liabilities:
Trade receivables	33,250	34,084
Prepaid expenses and other current assets	(3,241)	821
Deferred commissions	(13,895)	(8,741)
Other long-term assets	1,094	763
Trade payables	(567)	2,317
Accrued expenses and other short-term liabilities	(12,463)	(5,716)
Deferred revenues	(6,141)	(12,893)
Other long-term liabilities	886	734
Net cash provided by operating activities	10,075	11,145
Cash flows from investing activities:
Proceeds from sales and maturities of marketable securities	0	14,082
Investment in marketable securities	(28,735)	0
Proceeds from short-term and long-term deposits	1,850	70,235
Investment in short-term and long-term deposits	(6,930)	(50,000)
Purchases of property and equipment	(6,134)	(2,146)
Net cash provided by (used in) investing activities	(39,949)	32,171
Cash flows from financing activities:
Proceeds from employee stock plans	6,116	4,710
Taxes paid related to net share settlement of equity awards	(28,831)	(795)
Proceeds from follow-on offering, net	0	500,034
Net cash provided by (used in) financing activities	(22,715)	503,949
Increase (decrease) in cash and cash equivalents	(52,589)	547,265
Cash and cash equivalents at beginning of period	805,761	234,092
Cash and cash equivalents at end of period	753,172	781,357
Supplemental disclosure of cash flow information:
Cash paid for income taxes	1,342	3,346
Cash paid for interest	1,583	1,586
Lease liabilities arising from obtaining right-of-use assets	$ 1,419	$ 7,895