Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Operating activities
Net loss	$ (105,956)	$ (189,694)	$ (286,931)
Adjustments to reconcile net loss to net cash provided by operating activities
Stock-based compensation	186,880	174,835	162,886
Depreciation and amortization	89,753	71,633	63,039
Accretion of discounts on marketable debt securities, net	(12,830)	(9,790)	(2,009)
Abandonment of long-lived assets	1,428	1,488	1,344
Noncash operating lease expense	11,102	13,092	10,170
Unrealized foreign currency loss (gain), net	2,304	(524)	(351)
Deferred income taxes	(881)	(769)	(283)
Provision for credit losses	591	8,052	2,584
(Increase) decrease in fair value of strategic investments	(454)	287	483
Changes in operating assets and liabilities, net of effect of asset acquisitions and business combinations
Accounts receivable	(39,501)	(57,492)	(35,817)
Deferred contract cost assets	(8,993)	(9,306)	(21,974)
Prepaid expenses and other assets	(3,318)	(6,368)	(3,754)
Accounts payable	19,729	(938)	459
Accrued expenses and other liabilities	(15,501)	4,759	34,623
Deferred revenue	79,091	106,590	97,029
Operating lease liabilities	(7,272)	(13,840)	(8,890)
Net cash provided by operating activities	196,172	92,015	12,608
Investing activities
Purchases of property and equipment	(19,143)	(10,325)	(15,782)
Capitalized software development costs	(49,529)	(34,685)	(33,648)
Purchases of strategic investments	(2,367)	(764)	(3,959)
Purchases of marketable securities	(491,475)	(402,424)	(369,206)
Maturities of marketable securities	440,537	372,240	85,632
Sales of marketable securities	0	5,452	0
Originations of materials financing	0	(23,972)	(23,489)
Customer repayments of materials financing	1,605	26,242	18,685
Asset acquisitions, net of cash acquired	(3,792)	(7,825)	0
Acquisition of businesses, net of cash acquired	(25,945)	0	0
Settlement of post-close working capital adjustments from business combinations	0	0	1,291
Net cash used in investing activities	(150,109)	(76,061)	(340,476)
Financing activities
Proceeds from stock option exercises	15,737	17,618	22,364
Proceeds from employee stock purchase plan	24,069	25,400	22,133
Payments of deferred offering costs	0	0	(270)
Payment of deferred business combination consideration	(1,470)	0	(3,870)
Payment of deferred asset acquisition consideration	(81)	0	0
Principal payments under finance lease agreements, net of proceeds from lease incentives	(2,019)	(1,853)	(1,705)
Net cash provided by financing activities	36,236	41,165	38,652
Net increase (decrease) in cash, cash equivalents and restricted cash	82,299	57,119	(289,216)
Effect of exchange rate changes on cash	(2,367)	855	(180)
Cash, cash equivalents and restricted cash, beginning of period	357,790	299,816	589,212
Cash, cash equivalents and restricted cash, end of period	437,722	357,790	299,816
Reconciliation of cash, cash equivalents and restricted cash to the consolidated balance sheets
Cash and cash equivalents at end of period	437,722	357,790	296,712
Restricted cash, non-current at end of period included in other assets	0	0	3,104
Total cash, cash equivalents and restricted cash at end of period shown in the consolidated statements of cash flows	437,722	357,790	299,816
Supplemental disclosure of cash flow information
Cash paid for interest other than finance leases	25	4	94
Cash paid for income taxes, net of refunds received	2,674	859	700
Stock-based compensation capitalized for cloud-computing arrangement costs	104	296	256
Cash received for lease incentives	2,620	789	2,024
Operating cash flows from finance leases	1,874	1,953	2,017
Operating cash flows from operating leases	11,871	15,971	12,092
Financing cash flows from finance leases	2,221	2,054	1,906
Noncash investing and financing activities
Purchases of property and equipment included in accounts payable and accrued expenses at year end	1,638	754	1,472
Capitalized software development costs included in accounts payable and accrued expenses at year end	3,775	1,905	1,645
Deferred asset acquisition payment included in other current liabilities and other non-current liabilities at year end	1,400	1,405	0
Stock-based compensation capitalized for software development	13,235	9,421	8,562
Conversion of available-for-sale debt securities into equity securities	350	0	3,680
Right of use assets obtained in exchange for operating lease liabilities	(3,875)	15,385	10,198
Noncash net change due to operating lease remeasurement	$ (89)	$ (115)	$ (1,642)