Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash flows from operating activities:
Net loss	$ (14,648)	$ (19,073)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	14,774	15,434
Amortization of deferred costs	4,514	3,963
Deferred income taxes	(501)	(6,553)
Accretion of interest on convertible senior notes	715	1,158
Provision for credit losses and sales reserve	1,635	213
Stock-based compensation	13,449	6,084
Other non-cash adjustments	(352)	(52)
Changes in operating assets and liabilities:
Accounts receivable	11,994	11,420
Prepaid expenses	(2,465)	(2,447)
Deferred costs	(5,909)	(6,221)
Other assets	(597)	1,819
Accounts payable	(1,732)	(6,124)
Accrued payroll and employee related liabilities	(1,652)	(1,862)
Accrued expenses	(797)	3,246
Deferred revenue	3,589	8,036
Other liabilities	(1,442)	(1,339)
Net cash provided by operating activities	20,575	7,702
Cash flows from investing activities:
Capital expenditures	(575)	(1,847)
Proceeds from sale of assets	4,289
Payment for acquisition of business, net of acquired cash		(47)
Additions to capitalized software development costs	(4,112)	(4,330)
Net cash used in investing activities	(398)	(6,224)
Cash flows from financing activities:
Payments associated with shares withheld to settle employee tax withholding liability	(1,866)	(571)
Proceeds from employee stock purchase plan	2,546	1,702
Proceeds from stock option exercises	1,263	17
Other	(19)	(19)
Net cash provided by financing activities	1,924	1,129
Effect of exchange rates on cash, cash equivalents and restricted cash	63	(356)
Net increase in cash, cash equivalents and restricted cash	22,164	2,251
Cash, cash equivalents and restricted cash—beginning of period	201,594	492,758
Cash, cash equivalents and restricted cash—end of period	223,758	495,009
Supplemental disclosures of cash flow information:
Taxes, net of refunds received	617	335
Supplemental disclosure of non-cash activities:
Capitalized assets included in accounts payable and accrued expenses	660	1,195
Stock-based compensation capitalized for software development costs	$ 376	$ 230