Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Operating activities
Net loss	$ (17,277)	$ (116,328)
Adjustments to reconcile net loss to net cash provided by operating activities
Stock-based compensation	89,357	87,425
Depreciation and amortization	40,894	34,210
Accretion of discounts on marketable debt securities, net	(6,749)	(3,662)
Abandonment of long-lived assets	580	535
Noncash operating lease expense	4,993	5,232
Unrealized foreign currency loss, net	714	557
Deferred income taxes	2	5
Provision for credit losses	405	3,730
(Increase) decrease in fair value of strategic investments	(641)	6
Changes in operating assets and liabilities, net of effect of asset acquisitions and business combinations
Accounts receivable	48,994	23,577
Deferred contract cost assets	(2,089)	(3,630)
Prepaid expenses and other assets	(190)	1,701
Accounts payable	13,279	1,149
Accrued expenses and other liabilities	(30,447)	(31,110)
Deferred revenue	(10,877)	19,582
Operating lease liabilities	(3,108)	(5,381)
Net cash provided by operating activities	127,840	17,598
Investing activities
Purchases of property and equipment	(3,963)	(4,694)
Capitalized software development costs	(19,732)	(17,351)
Purchases of strategic investments	(1,072)	(442)
Purchases of marketable securities	(324,374)	(229,282)
Maturities of marketable securities	226,099	222,726
Sales of marketable securities	0	5,452
Originations of materials financing	0	(17,007)
Customer repayments of materials financing	1,483	12,996
Acquisition of a business, net of cash acquired	(25,945)	0
Asset acquisitions, net of cash acquired	(3,792)	0
Net cash used in investing activities	(151,296)	(27,602)
Financing activities
Proceeds from stock option exercises	9,915	10,939
Proceeds from employee stock purchase plan	13,187	13,006
Principal payments under finance lease agreements, net of proceeds from lease incentives	(669)	(930)
Net cash provided by financing activities	22,433	23,015
Net increase in cash and cash equivalents	(1,023)	13,011
Effect of exchange rate changes on cash	(528)	(309)
Cash and cash equivalents, beginning of period	357,790	299,816
Cash and cash equivalents, end of period	356,239	312,518
Supplemental disclosure of cash flow information
Cash paid for income taxes, net of refunds received	1,635	685
Stock-based compensation capitalized for cloud-computing arrangement costs	72	155
Cash received for lease incentives	294	386
Operating cash flows from finance leases	793	987
Operating cash flows from operating leases	4,374	6,389
Financing cash flows from finance leases	908	1,016
Noncash investing and financing activities:
Purchases of property and equipment included in accounts payable and accrued expenses at period end	1,582	698
Capitalized software development costs included in accounts payable and accrued expenses at period end	3,287	749
Stock-based compensation capitalized for software development	5,882	4,128
Deferred business combination payment included in other current liabilities at period end	1,460	0
Deferred asset acquisition payment included in other current liabilities and accrued expenses at period end	1,481	0
Right of use assets obtained or modified in exchange for operating lease liabilities	$ (3,780)	$ 3,515