Segment Information - Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated
Adjusted EBITDA	$ 26,644	$ 35,131		$ 46,564	$ 63,611
Impairment charge - leased assets			$ (3,700)		(3,735)
Loss on lease termination		(2,460)			(2,460)
Equity-based compensation expense	(4,708)	(4,535)		(9,159)	(10,172)
Acquisition-related expense	(64)	(328)		(101)	(1,585)
Fair value adjustments to contingent consideration	95	(1,710)		99	(1,995)
Restructuring charges	72			33
Other	(666)	(236)		(1,076)	(1,035)
Interest income	1,141	159		2,145	178
Interest expense	(8,840)	(4,032)		(17,085)	(7,683)
Depreciation and amortization	(8,008)	(9,113)		(16,041)	(18,098)
Income (loss) before provision for income taxes	5,666	12,876		5,379	17,026
Real Estate
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated
Adjusted EBITDA	28,721	36,331		51,413	67,010
Mortgage
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated
Adjusted EBITDA	(1,457)	(1,164)		(4,054)	(3,337)
Other.
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated
Adjusted EBITDA	$ (620)	$ (36)		$ (795)	$ (62)