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	$ (127,525)	$ (90,947)	$ (37,730)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	11,140	10,212	5,244
Stock-based compensation expense	98,765	70,660	48,633
Provision for (recovery of) doubtful accounts	410	156	(125)
(Accretion) amortization of premiums and discounts on marketable securities, net	(7,716)	1,079	3,024
Amortization of debt discount and issuance costs	1,730	1,298	9,171
Induced conversion expense	45,144	0	0
Realized loss on sale of available-for-sale securities, net	708	0	0
Gain on settlement of equity securities	0	0	(3,698)
Deferred income tax	(14)	538	(1,973)
Changes in assets and liabilities:
Accounts receivable	(18,318)	(28,893)	(7,683)
Deferred costs	277	(8,496)	(19,207)
Operating lease right-of-use asset	4,984	5,153	4,197
Other receivables	(2,176)	(1,655)	(391)
Prepaid expenses and other	(5,023)	(2,913)	(6,522)
Other assets	2,230	(2,441)	(1,222)
Accounts payable	(1,002)	2,438	972
Deferred revenue	60,112	61,657	47,419
Operating lease liability	(4,133)	(5,055)	(4,934)
Accrued expenses and other liabilities	11,282	(1,457)	14,669
Net cash provided by operating activities	70,875	11,334	49,844
Cash flows from investing activities
Purchase of property and equipment	(2,124)	(3,458)	(3,534)
Purchase of marketable securities	(573,304)	(130,754)	(170,070)
Maturities of marketable securities	153,358	150,565	143,159
Sale of marketable securities	65,052	14,981	250
Acquisitions, net of cash acquired	0	(99,186)	(37,467)
Purchase of intangible assets	(235)	(160)	(219)
Other investments	0	0	(750)
Net cash used in investing activities	(357,253)	(68,012)	(68,631)
Cash flows from financing activities
Proceeds from option exercises	4,472	3,273	16,600
Taxes paid related to net share settlements of stock-based compensation awards	(9,459)	(12,541)	(27,144)
Proceeds from shares issued in connection with employee stock purchase plan	12,513	9,256	8,861
Proceeds from the issuance of convertible senior notes, net of issuance costs	691,113	0	0
Payments for repurchase of convertible senior notes	(396,869)	0	0
Principal payments on finance lease obligations	(505)	(1,575)	(1,705)
Net cash provided by (used in) financing activities	301,265	(1,587)	(3,388)
Effect of foreign exchange rates on cash	1,637	(1,924)	(270)
Net increase (decrease) in cash, cash equivalents, and restricted cash	16,524	(60,189)	(22,445)
Cash, cash equivalents, and restricted cash at beginning of year	240,197	300,386	322,831
Cash, cash equivalents, and restricted cash at end of year	256,721	240,197	300,386
Supplemental cash flow disclosure
Cash paid for interest	4,710	4,742	4,837
Cash paid for income taxes, net of refunds	2,656	1,429	(41)
Noncash investing and financing activities
Purchases of property and equipment, accrued but not paid	0	0	350
Reconciliation of cash, cash equivalents, and restricted cash to the consolidated balance sheets
Cash and cash equivalents at end of period	256,100	240,197	300,386
Restricted cash included within prepaid expenses and other at end of period	621	0	0
Total cash, cash equivalents, and restricted cash at end of period shown in the consolidated statements of cash flows	$ 256,721	$ 240,197	$ 300,386