Summary of Significant Accounting Policies - Prior Period Immaterial Corrections And Reclassfications (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023	Dec. 31, 2022
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Retained earnings (accumulated deficit)	$ (170,172)		$ (170,172)		$ (193,527)
Accrued compensation and profit sharing	30,087		30,087		61,768
Goodwill	440,997		440,997		411,634	$ 530,547
Other liabilities, net	21,101		21,101		22,467
Accounts payable and accrued expenses	25,350		25,350		37,156
TRA Exchange	(4,586)		(14,064)
Revenues	49,453	$ 51,285	100,265	$ 109,332
Professional fees	7,602	14,863	18,972	37,747
Mapping changes, accounts payable and accrued expenses to accrued compensation and profit sharing
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Accrued compensation and profit sharing					4,800
Mapping changes, other liabilities to accrued compensation and profit sharing
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Accrued compensation and profit sharing					3,200
Management/advisory fees
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenues	$ 47,029	$ 46,844	$ 93,253	93,314
Revision of Prior Period, Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Retained earnings (accumulated deficit)					(3,000)
Accrued compensation and profit sharing					4,200
Goodwill					(300)
Other liabilities, net					600
Accounts payable and accrued expenses					300
TRA Exchange					$ 13,300
Revision of Prior Period, Reclassification, Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Professional fees				(600)
Revision of Prior Period, Reclassification, Adjustment | Management/advisory fees
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenues				$ (600)