Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating activities
Net loss	$ (10,966)	$ (63,447)
Adjustments to reconcile net loss to net cash provided by operating activities
Stock-based compensation	40,132	44,938
Depreciation and amortization	20,051	16,874
Accretion of discounts on marketable debt securities, net	(3,088)	(1,632)
Abandonment of long-lived assets	268	441
Noncash operating lease expense	2,734	2,628
Unrealized foreign currency loss, net	1,079	408
Deferred income taxes	1	2
Provision for credit losses	189	1,726
Increase in fair value of strategic investments	(759)	(36)
Changes in operating assets and liabilities, net of effect of asset acquisition
Accounts receivable	68,013	42,948
Deferred contract cost assets	(427)	(460)
Prepaid expenses and other assets	(684)	4,549
Accounts payable	3,155	4,648
Accrued expenses and other liabilities	(34,154)	(28,181)
Deferred revenue	(14,108)	6,489
Operating lease liabilities	(2,291)	(2,620)
Net cash provided by operating activities	69,145	29,275
Investing activities
Purchases of property and equipment	(2,089)	(2,173)
Capitalized software development costs	(9,514)	(7,951)
Purchases of strategic investments	(210)	(149)
Purchases of marketable securities	(101,434)	(89,996)
Maturities of marketable securities	107,301	103,909
Originations of materials financing	0	(9,077)
Customer repayments of materials financing	1,281	5,358
Asset acquisition, net of cash acquired	(5)	0
Net cash used in investing activities	(4,670)	(79)
Financing activities
Proceeds from stock option exercises	7,125	3,722
Principal payments under finance lease agreements, net of proceeds from lease incentives	(449)	(410)
Net cash provided by financing activities	6,676	3,312
Net increase in cash, cash equivalents, and restricted cash	71,151	32,508
Effect of exchange rate changes on cash	(1,285)	(256)
Cash, cash equivalents, and restricted cash, beginning of period	357,790	299,816
Cash, cash equivalents, and restricted cash, end of period	427,656	332,068
Reconciliation of cash, cash equivalents, and restricted cash to the condensed consolidated balance sheets
Cash and cash equivalents	427,656	328,964
Restricted cash, non-current at end of period included in other assets	0	3,104
Total cash, cash equivalents, and restricted cash at end of period shown in the condensed consolidated statements of cash flows	427,656	332,068
Supplemental disclosure of cash flow information
Cash paid for income taxes, net of refunds received	171	79
Stock-based compensation capitalized for cloud-computing arrangement costs	32	69
Cash received for lease incentives	197	239
Operating cash flows from finance leases	477	496
Operating cash flows from operating leases	2,879	3,119
Financing cash flows from finance leases	532	496
Noncash investing and financing activities:
Purchases of property and equipment included in accounts payable and accrued expenses at period end	1,101	1,306
Capitalized software development costs included in accounts payable and accrued expenses at period end	1,977	2,088
Stock-based compensation capitalized for software development	2,426	2,053
Deferred asset acquisition payment included in other non-current liabilities at period end	1,400	0
Right of use assets obtained or modified in exchange for operating lease liabilities	$ (4,508)	$ 2,615