Segment Information - Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended					6 Months Ended	12 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Dec. 31, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated
Adjusted EBITDA							$ 121,632	$ 119,583	$ 92,558
Loss on contract settlement								(40,900)
Loss on extinguishment of debt								(264)
Impairment charge - leased assets		$ (2,500)		$ (3,700)			(6,248)		(7,902)
Impairment charge - goodwill	$ (7,100)						(7,100)	(5,123)	0
Loss on lease termination			$ (2,500)				(2,460)
Equity-based compensation expense							(22,044)	(34,298)	(16,267)
Acquisition-related expense							(1,859)	(17,422)	(2,375)
Fair value adjustments to contingent consideration							133	(309)	(814)
Restructuring charges							(8,690)
Other							(24)	(968)	(503)
Interest income							1,460	217	340
Interest expense							(20,903)	(11,344)	(9,223)
Depreciation and amortization							(35,769)	(31,333)	(26,106)
Income (loss) before provision for income taxes							18,128	(22,161)	29,708
Severance and related costs						$ 7,600	7,578
Write off of capitalized software development costs						$ 1,200	1,200
Real Estate
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated
Adjusted EBITDA							128,301	125,153	96,079
Impairment charge - goodwill					$ 5,100		(7,100)	(5,123)
Mortgage
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated
Adjusted EBITDA							(6,368)	(5,321)	(2,255)
Other.
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated
Adjusted EBITDA							$ (301)	$ (249)	$ (1,266)