Segment Information - Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated
Adjusted EBITDA	$ 35,131		$ 30,698	$ 63,611	$ 53,717
Impairment charge - leased assets		$ (3,700)		(3,735)
Loss on lease termination	(2,460)			(2,460)
Equity-based compensation expense	(4,535)		(6,253)	(10,172)	(18,307)
Acquisition-related expense	(328)		(3,928)	(1,585)	(4,871)
Fair value adjustments to contingent consideration	(1,710)		(290)	(1,995)	(10)
Other	(236)		(202)	(1,035)	(50)
Interest income	159		19	178	182
Interest expense	(4,032)		(2,124)	(7,683)	(4,222)
Depreciation and amortization	(9,113)		(6,846)	(18,098)	(13,654)
Income (loss) before provision for income taxes	12,876		11,074	17,026	12,785
Real Estate
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated
Adjusted EBITDA	36,331		31,503	67,010	55,782
Mortgage
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated
Adjusted EBITDA	(1,164)		(733)	(3,337)	(1,883)
Other.
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated
Adjusted EBITDA	$ (36)		$ (72)	$ (62)	$ (182)