Schedule I: Condensed Financial Information of Registrant - Condensed Statements of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Operating Activities
Net (loss) income	$ (164,438)	$ (5,240)	$ 67,854
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Equity-based compensation	10,534	16,591	12,994
Deferred tax expense (benefit)	123,124	(17,414)	(361)
Tax receivable liability adjustment	100,223	(3,987)	(1,590)
Changes in operating assets and liabilities, net of amounts acquired:
Prepaid expenses and other assets	3,242	(7,263)	3,700
Income taxes payable	75	(15,018)	15,585
Accrued expenses and other liabilities	(34,927)	(22,841)	63,586
Net cash provided by (used in) operating activities	30,935	(40,134)	87,362
Investing Activities
Net cash used in investing activities	(39,796)	(78,065)	(27,381)
Financing Activities
Net cash provided by (used in) financing activities	25,596	54,639	(28,628)
Net change in cash and cash equivalents	17,253	(64,357)	31,302
Cash and cash equivalents at beginning of period	19,200	83,557	52,255
Cash and cash equivalents at end of period	36,453	19,200	83,557
Supplemental Cash Flow Information
Income tax payments	1,059	22,363	1,462
Establishment of liabilities under tax receivable agreement	0	30,034	20,691
Issuance of equity instruments for acquisitions	0	1,487	0
Parent Company
Operating Activities
Net (loss) income	(154,079)	(8,035)	43,900
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Equity in net loss (income) of subsidiaries	114,697	8,040	(72,916)
Equity-based compensation	10,534	16,591	12,994
Deferred tax expense (benefit)	123,124	(17,173)	(203)
Tax receivable liability adjustment	(100,223)	3,987	1,590
Changes in operating assets and liabilities, net of amounts acquired:
Income tax receivable	7,219	(7,530)	294
Due from related parties, net	436	(984)	1,351
Prepaid expenses and other assets	0	(11,019)	0
Income taxes payable	0	(14,684)	14,684
Accrued expenses and other liabilities	370	11,190	(571)
Net cash provided by (used in) operating activities	2,078	(19,617)	1,123
Investing Activities
Capital contribution to FAH, LLC	0	(73,980)	0
Net cash used in investing activities	0	(73,980)	0
Financing Activities
Tax distribution received from FAH, LLC	0	38,811	24,173
Tax receivable agreement payments	(4)	(7,718)	(1,715)
Proceeds from exercise of equity-based options	749	1,472	3,794
Net cash provided by (used in) financing activities	745	32,565	26,252
Net change in cash and cash equivalents	2,823	(61,032)	27,375
Cash and cash equivalents at beginning of period	911	61,943	34,568
Cash and cash equivalents at end of period	3,734	911	61,943
Supplemental Cash Flow Information
Income tax payments	0	18,999	23
Establishment of liabilities under tax receivable agreement	0	30,034	20,691
Issuance of equity instruments for acquisitions	$ 0	$ 1,487	$ 0