Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities
Net loss	$ (49,766)	$ (118,685)	$ (38,329)
Income from discontinued operations, net of taxes	0	0	40
Loss from continuing operations	(49,766)	(118,685)	(38,369)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization	17,699	16,520	16,279
Goodwill impairment	0	59,775	0
Deferred income taxes	0	(2,358)	63
Bad debt expense and other reserves	696	718	528
Stock-based compensation	14,299	17,681	20,395
Changes in fair value	931	359	41
Amortization of lease right-of-use assets	2,982	3,940	4,295
(Gain) loss from equity method investment	0	(1,845)	5,404
Impairment of right-of-use assets	2,376	0	1,682
Gain on lease exit	(1,573)	0	0
Other noncash expenses	549	230	408
Changes in operating assets and liabilities:
Accounts receivable	(5,174)	2,210	15,685
Prepaid expenses and other assets	1,335	(210)	2,733
Accounts payable	(1,767)	(2,750)	(1,806)
Accrued employee expenses	(387)	1,863	(1,754)
Operating lease liabilities	(6,667)	(5,214)	(5,192)
Accrued expenses and other current liabilities	2,010	(1,371)	(5,630)
Other liabilities	43	0	(388)
Net cash (used in) provided by operating activities - continuing operations	(22,414)	(29,137)	14,374
Net cash used in operating activities - discontinued operations	0	0	(180)
Net cash (used in) provided by operating activities	(22,414)	(29,137)	14,194
Cash flows from investing activities
Purchase of property and equipment	(11,809)	(11,680)	(10,689)
Initial cash consideration	0	15,745	0
Cash paid for acquisition, net of cash acquired	0	(12,093)	0
Net cash used in investing activities - continuing operations	(11,809)	(8,028)	(10,689)
Net cash provided by investing activities - discontinued operations	0	0	6,484
Net cash used in investing activities	(11,809)	(8,028)	(4,205)
Cash flows from financing activities
Payment of contingent consideration liability	(1,908)	0	(2,214)
Proceeds from exercise of common stock options	710	179	1,391
Taxes paid related to net share settlement of equity awards	(3,133)	(2,930)	(5,320)
Payments for the repurchase of common stock	0	(29,783)	(31,943)
Net cash used in financing activities	(4,331)	(32,534)	(38,086)
Net decrease in cash, cash equivalents, and restricted cash	(38,554)	(69,699)	(28,097)
Cash, cash equivalents, and restricted cash at beginning of year	175,518	245,217	273,314
Cash, cash equivalents, and restricted cash at end of year	136,964	175,518	245,217
Supplemental disclosure of cash flow information
Income taxes	180	(131)	1,554
Supplemental disclosures of non-cash activities
Stock-based compensation capitalized for software development	838	1,019	1,296
Capitalized assets included in accounts payable, accrued employee expenses and other accrued expenses	821	1,311	1,239
Changes in right-of-use assets for operating lease obligations	136	3,047	0
Changes in lease liabilities for operating lease obligations	$ 136	$ 3,636	$ 0