CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Cash Flows from Operating Activities:
Net loss	$ (20,184)	$ (35,658)	$ (43,509)	$ (78,322)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization			6,713	6,114
Amortization of deferred contract acquisition costs	6,886	5,852	13,538	11,469
Non-cash lease expense			4,399	3,727
Stock-based compensation			107,581	104,942
Discount amortization on marketable securities			(8,721)	(7,822)
Deferred income taxes			(13,801)	113
Other			(231)	(9)
Changes in operating assets and liabilities:
Accounts receivable			4,948	(3,599)
Deferred contract acquisition costs			(16,902)	(12,756)
Prepaid expenses and other assets			(7,176)	(6,571)
Accounts payable			5,981	(4,221)
Accrued and other liabilities			8,873	(5,481)
Deferred revenue			17,219	28,732
Operating lease liabilities			(1,957)	(4,917)
Net cash provided by operating activities			76,955	31,399
Cash Flows from Investing Activities:
Purchases of property and equipment			(3,054)	(712)
Proceeds from sale of property and equipment			63	58
Capitalized internal-use software			(2,406)	(3,511)
Purchases of marketable securities			(393,183)	(492,418)
Maturities and redemptions of marketable securities			391,990	540,719
Business combination, net of cash acquired			(213,905)	0
Net cash provided by (used in) investing activities			(220,495)	44,136
Cash Flows from Financing Activities:
Proceeds from issuance of common stock under employee stock purchase plan, net			3,630	4,312
Proceeds from exercise of stock options			36	45
Payment of withholding taxes on net share settlement of equity awards			(37,984)	(27,737)
Net cash used in financing activities			(34,318)	(23,380)
Net increase (decrease) in cash, cash equivalents and restricted cash			(177,858)	52,155
Cash, cash equivalents and restricted cash, beginning of period			488,216	304,158
Cash, cash equivalents and restricted cash, end of period	310,358	356,313	310,358	356,313
Reconciliation of cash, cash equivalents and restricted cash to consolidated balance sheets:
Cash and cash equivalents	310,266	356,220	310,266	356,220
Restricted cash included in prepaid expenses and other current assets	3	0	3	0
Restricted cash included in other assets	89	93	89	93
Total cash, cash equivalents and restricted cash	310,358	356,313	310,358	356,313
Supplemental cash flow information:
Cash paid for taxes			4,189	6,549
Non-cash investing and financing activities:
Operating lease right-of-use assets obtained in exchange for operating lease obligations	4,290	0	4,601	0
Stock-based compensation capitalized as internal-use software	$ 382	$ 424	756	938
Issuance of common stock and options in connection with acquisition			$ 12,874	$ 0