Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Operating activities
Net loss	$ (63,179)	$ (43,665)
Adjustments to reconcile net loss to net cash provided by operating activities
Stock-based compensation	160,023	137,532
Depreciation and amortization	83,288	65,127
Accretion of discounts on marketable debt securities, net	(6,163)	(10,131)
Abandonment of long-lived assets	2,868	818
Noncash operating lease expense	4,311	7,906
Unrealized foreign currency (gain) loss, net	(1,522)	295
Deferred income taxes	2,191	4
(Benefit from) provision for credit losses	(1,084)	648
Decrease (increase) in fair value of strategic investments	237	(457)
Changes in operating assets and liabilities, net of effect of asset acquisitions and business combinations
Accounts receivable	42,611	34,296
Deferred contract cost assets	(31,767)	(3,217)
Prepaid expenses and other assets	(16,499)	(12,121)
Accounts payable	(4,191)	11,029
Accrued expenses and other liabilities	30,168	(8,475)
Deferred revenue	(15,313)	(6,268)
Operating lease liabilities	(651)	(6,205)
Net cash provided by operating activities	185,328	167,116
Investing activities
Purchases of property and equipment	(12,400)	(7,510)
Capitalized software development costs	(47,900)	(32,453)
Purchases of strategic investments, net	(1,641)	(1,917)
Purchases of marketable securities	(277,813)	(410,619)
Maturities of marketable securities	287,024	371,718
Sales of marketable securities	2,698	0
Customer repayments of materials financing	0	1,571
Business combinations, net of cash acquired	(41,515)	(25,945)
Asset acquisitions, net of cash acquired	(3,533)	(3,792)
Net cash used in investing activities	(95,080)	(108,947)
Financing activities
Proceeds from stock option exercises	8,779	12,371
Proceeds from employee stock purchase plan	14,404	13,187
Repurchases of common stock	(128,815)	0
Payment of tax withholding for net share settlement	(71,173)	0
Payment of deferred business combination consideration	0	(1,470)
Payment of deferred asset acquisition consideration	0	(81)
Principal payments under finance lease agreements, net of proceeds from lease incentives	(1,216)	(1,569)
Net increase in funds held for customers	6,251	0
Net cash (used in) provided by financing activities	(171,770)	22,438
Net (decrease) increase in cash and cash equivalents	(81,522)	80,607
Effect of exchange rate changes on cash	1,160	901
Cash, cash equivalents, and restricted cash, beginning of period	437,722	357,790
Cash, cash equivalents, and restricted cash, end of period	357,360	439,298
Reconciliation of cash, cash equivalents, and restricted cash to the condensed consolidated balance sheets
Cash and cash equivalents at end of period	350,496	439,298
Restricted cash included in prepaid expenses and other current assets at end of period	613	0
Restricted cash for funds held for customers included in prepaid expenses and other current assets at end of period	6,251	0
Total cash, cash equivalents, and restricted cash shown in the condensed consolidated statement of cash flows at end of period	357,360	439,298
Supplemental disclosure of cash flow information
Cash paid for interest other than finance leases	17	25
Cash paid for income taxes, net of refunds received	3,686	2,099
Stock-based compensation capitalized for cloud-computing arrangement costs	150	95
Cash received for lease incentives	3,798	394
Operating cash flows from finance leases	840	1,414
Operating cash flows from operating leases	6,344	8,142
Financing cash flows from finance leases	1,216	1,652
Noncash investing and financing activities:
Purchases of property and equipment included in accounts payable and accrued expenses at period end	1,678	2,099
Capitalized software development costs included in accounts payable and accrued expenses at period end	4,203	3,907
Stock-based compensation capitalized for software development	14,417	9,458
Deferred asset acquisition payment included in other current liabilities and accrued expenses at period end	600	1,400
Right of use assets obtained or modified in exchange for operating lease liabilities	7,422	(3,599)
Financing lease right of use asset modified to operating lease	$ (10,305)	$ 0