CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Operating activities
Net loss	$ (68,455)	$ (110,086)	$ (141,301)
Adjustments to reconcile net loss to cash provided by operating activities:
Depreciation and amortization expense	46,948	50,298	54,830
Amortization of deferred contract costs	26,917	21,497	16,563
Amortization of capitalized CCA implementation costs	2,669	0	0
Amortization of debt issuance costs	2,843	2,742	2,722
Non-cash lease expense	5,297	5,935	5,869
Impairment of lease right-of-use assets	0	1,077	0
Provision for credit losses and returns	440	472	328
Stock-based compensation	97,390	101,000	109,170
Deferred income tax benefit	(497)	(1,976)	(2,955)
Adjustment to contingent consideration	0	0	694
Other	2,019	(1,673)	3,333
Changes in operating assets and liabilities:
Trade accounts receivable	(31,239)	(19,233)	(9,487)
Prepaid expenses and other assets	(12,160)	(11,354)	1,888
Deferred contract costs	(38,070)	(40,643)	(31,134)
Accounts payable	(7,582)	9,352	5,891
Accrued liabilities	(7,138)	2,690	10,017
Income taxes payable	(217)	727	151
Deferred revenue	11,980	23,939	63,426
Other liabilities	47	1,200	0
Net cash provided by operating activities	31,192	35,964	90,005
Investing activities
Acquisitions, net of cash acquired	0	(18,797)	(23,816)
Purchases of equipment and leasehold improvements	(9,009)	(2,934)	(7,727)
Purchase of investments	(2,500)	(750)	(3,100)
Other	(292)	5	(139)
Net cash used in investing activities	(11,801)	(22,476)	(34,782)
Financing activities
Debt issuance costs	(1,549)	0	(50)
Cash paid for offering costs	(872)	0	(104)
Cash paid for contingent consideration	0	(206)	(4,588)
Payment of acquisition-related holdback	(6,811)	(515)	(200)
Repurchase and retirement of common stock	(35,357)	0	0
Shares repurchased for tax withholdings on vesting of restricted stock	(741)	0	0
Proceeds from the exercise of stock options	3,726	6,042	5,203
Net cash (used in) provided by financing activities	(41,604)	5,321	261
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	(252)	79	(713)
Net (decrease) increase in cash, cash equivalents, and restricted cash	(22,465)	18,888	54,771
Cash, cash equivalents, and restricted cash, beginning of period	250,809	231,921	177,150
Cash, cash equivalents, and restricted cash, end of period	228,344	250,809	231,921
Cash paid for:
Interest	842	784	763
Income taxes, net of refunds	4,524	3,127	1,747
Non-cash activities:
Employee stock purchase plan	5,156	6,077	6,840
Operating lease assets obtained in exchange for operating lease liabilities	4,641	732	8,159
Purchases of equipment and leasehold improvements accrued but not paid	832	421	419
Issuance of common stock for the acquisition of business	0	0	15,083
Reconciliation of cash, cash equivalents, and restricted cash within the consolidated balance sheets to the amounts shown in the consolidated statements of cash flows above:
Cash and cash equivalents	224,680	243,576	224,338
Restricted cash included in other current assets	3,664	3,633	383
Restricted cash included in other assets	0	3,600	7,200
Total cash, cash equivalents, and restricted cash	$ 228,344	$ 250,809	$ 231,921