Segment Information - Reconciliation of adjusted EBITDA (Details) - USD ($) $ in Thousands	3 Months Ended						12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated
Settlement charge							$ (5,483)	$ (55,150)
Impairment charge - leased assets				$ (2,500)		$ (3,700)			$ (6,248)
Impairment charge - goodwill			$ (7,100)					(18,633)	(7,100)
Loss on lease termination					$ (2,500)				(2,460)
Equity-based compensation expense							(18,855)	(19,536)	(22,044)
Acquisition-related expense								(263)	(1,859)
Fair value adjustments to contingent consideration							225	533	133
Restructuring charges							(1,227)	(4,210)	$ (8,690)
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration]	Selling, General and Administrative Expense								Selling, General and Administrative Expense
Change in estimated tax receivable agreement liability							(1,219)	25,298	$ 702
Other adjustments							(2,860)	(2,131)	(726)
Interest income							3,738	4,420	1,460
Interest expense							(36,258)	(35,741)	(20,903)
Depreciation and amortization							(29,561)	(32,414)	(35,769)
Income (loss) before provision for income taxes							6,200	(41,539)	18,128
Total reportable segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated
Adjusted EBITDA							97,831	97,385	121,933
Real Estate
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated
Adjusted EBITDA							102,904	104,305	128,301
Mortgage
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated
Adjusted EBITDA							(5,073)	(6,920)	(6,368)
Impairment charge - goodwill		$ (18,600)						(18,633)
Other
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated
Adjusted EBITDA							$ (131)	$ (1,097)	$ (301)