Segment Information - Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated
Adjusted EBITDA	$ 27,290	$ 26,748	$ 74,359	$ 73,312
Settlement charge		(55,000)		(55,000)
Equity-based compensation expense	(4,618)	(4,891)	(14,443)	(14,050)
Acquisition-related expense		(59)		(160)
Fair value adjustments to contingent consideration	437	280	300	379
Restructuring charges	18	(4,278)	59	(4,245)
Gain on reduction in tax receivable agreement liability		24,917		24,917
Other	(605)	(395)	(2,444)	(1,471)
Interest income	885	1,173	2,835	3,318
Interest expense	(9,249)	(9,292)	(27,696)	(26,377)
Depreciation and amortization	(7,237)	(8,195)	(22,489)	(24,236)
Income (loss) before provision for income taxes	6,921	(28,992)	10,481	(23,613)
Real Estate
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated
Adjusted EBITDA	28,444	28,400	78,418	79,813
Mortgage
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated
Adjusted EBITDA	(1,120)	(1,486)	(3,962)	(5,540)
Other
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated
Adjusted EBITDA	$ (34)	$ (166)	$ (97)	$ (961)