Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash flows from operating activities:
Net loss	$ (28,015)	$ (77,335)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	44,288	45,253
Amortization of deferred costs	14,478	13,365
Deferred income taxes	(1,037)	(7,132)
Accretion of interest on convertible senior notes	2,122	3,492
(Gain) loss on disposal of assets	(352)	940
(Gain) loss on extinguishment of convertible notes, capped call modification and change in fair value	(12,658)	4,770
Provision for credit losses and sales reserve	2,203	(712)
Stock-based compensation	38,177	39,702
Other non-cash adjustments		(57)
Changes in operating assets and liabilities:
Accounts receivable	25,439	28,760
Prepaid expenses	(1,567)	17
Deferred costs	(18,815)	(16,157)
Other assets	(2,080)	7,591
Accounts payable	1,936	(3,172)
Accrued payroll and employee related liabilities	(6,103)	(6,919)
Accrued expenses	2,139	(637)
Deferred revenue	(11,885)	(4,678)
Other liabilities	(5,316)	(11,278)
Net cash provided by operating activities	42,954	15,813
Cash flows from investing activities:
Capital expenditures	(4,124)	(2,951)
Proceeds from Land Lord Reimbursement	88	1,219
Proceeds from sale of assets	4,368
Payment for acquisition of business, net of acquired cash		(1,249)
Additions to capitalized software development costs	(12,704)	(11,609)
Net cash used in investing activities	(12,372)	(14,590)
Cash flows from financing activities:
Repurchase of convertible notes	(129,579)
Payments associated with shares withheld to settle employee tax withholding liability	(6,218)	(4,208)
Proceeds from employee stock purchase plan	4,291	3,165
Proceeds from stock option exercises	1,300	99
Other	(57)	(55)
Net cash used in financing activities	(130,263)	(999)
Effect of exchange rates on cash, cash equivalents and restricted cash	(1,366)	(3,309)
Net decrease in cash, cash equivalents and restricted cash	(101,047)	(3,085)
Cash, cash equivalents and restricted cash—beginning of period	201,594	492,758
Cash, cash equivalents and restricted cash—end of period	100,547	489,673
Supplemental disclosures of cash flow information:
Interest	1,135	281
Taxes, net of refunds received	4,946	1,545
Supplemental disclosure of non-cash activities:
Modification of 2022 Notes capped call options and resulting reclassification from equity to derivative asset		6,090
Capitalized assets included in accounts payable and accrued expenses	787	156
Capitalized development costs included in accounts payable and accrued expenses	175
Stock-based compensation capitalized for software development costs	$ 2,380	$ 1,675