INVESTMENTS AND FAIR VALUE DISCLOSURES - Valuation Assumptions (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Investments in the Company's CLOs, at fair value	$ 2,843	$ 0
TRA liability	120,587	111,325
Warrant liability	8,550	68,798
Earnout liability	172,070	143,800
Fair Value, Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Investments in the Company's CLOs, at fair value	2,843
TRA liability	120,587	111,325
Warrant liability	8,550	68,798
Earnout liability	172,070	143,800
Total Liabilities, at Fair Value	301,207	323,923
Level III | Fair Value, Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Investments in the Company's CLOs, at fair value	2,843
TRA liability	120,587	111,325
Warrant liability	8,550	25,750
Earnout liability	172,070	143,800
Total Liabilities, at Fair Value	301,207	280,875
Discounted cash flow | Level III | Fair Value, Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Investments in the Company's CLOs, at fair value	2,843
TRA liability	$ 120,587	$ 111,325
Discounted cash flow | Yield | Level III | Fair Value, Recurring | Minimum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
CLOs yield (as percent)	0.16
Discounted cash flow | Yield | Level III | Fair Value, Recurring | Maximum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
CLOs yield (as percent)	0.19
Discounted cash flow | Yield | Level III | Fair Value, Recurring | Weighted Average
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
CLOs yield (as percent)	0.17
Discounted cash flow | Discount Rate | Level III | Fair Value, Recurring | Minimum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Tax liability rate (as percent)	0.11	0.10
Discounted cash flow | Discount Rate | Level III | Fair Value, Recurring | Minimum | Wellfleet Earnout Shares
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Earnout liability rate (as percent)	0.06
Discounted cash flow | Discount Rate | Level III | Fair Value, Recurring | Maximum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Tax liability rate (as percent)	0.11	0.10
Discounted cash flow | Discount Rate | Level III | Fair Value, Recurring | Maximum | Wellfleet Earnout Shares
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Earnout liability rate (as percent)	0.06
Discounted cash flow | Discount Rate | Level III | Fair Value, Recurring | Weighted Average
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Tax liability rate (as percent)	0.11	0.10
Discounted cash flow | Discount Rate | Level III | Fair Value, Recurring | Weighted Average | Wellfleet Earnout Shares
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Earnout liability rate (as percent)	0.06
Monte Carlo Simulation | Level III | Fair Value, Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Warrant liability	$ 8,550	$ 25,750
Earnout liability	172,070
Monte Carlo Simulation | Level III | Fair Value, Recurring | Oak Street Earnouts
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Earnout liability	158,497	$ 143,800
Monte Carlo Simulation | Level III | Fair Value, Recurring | Wellfleet Earnout Shares
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Earnout liability	$ 13,573
Monte Carlo Simulation | Discount Rate | Level III | Fair Value, Recurring | Minimum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Earnout liability rate (as percent)		0.15
Monte Carlo Simulation | Discount Rate | Level III | Fair Value, Recurring | Minimum | Oak Street Earnouts
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Earnout liability rate (as percent)	0.17
Monte Carlo Simulation | Discount Rate | Level III | Fair Value, Recurring | Maximum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Earnout liability rate (as percent)		0.15
Monte Carlo Simulation | Discount Rate | Level III | Fair Value, Recurring | Maximum | Oak Street Earnouts
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Earnout liability rate (as percent)	0.17
Monte Carlo Simulation | Discount Rate | Level III | Fair Value, Recurring | Weighted Average
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Earnout liability rate (as percent)		0.15
Monte Carlo Simulation | Discount Rate | Level III | Fair Value, Recurring | Weighted Average | Oak Street Earnouts
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Earnout liability rate (as percent)	0.17
Monte Carlo Simulation | Volatility | Level III | Fair Value, Recurring | Minimum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Warrant liability rate (as percent)	0.34	0.26
Monte Carlo Simulation | Volatility | Level III | Fair Value, Recurring | Maximum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Warrant liability rate (as percent)	0.34	0.26
Monte Carlo Simulation | Volatility | Level III | Fair Value, Recurring | Weighted Average
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Warrant liability rate (as percent)	0.34	0.26
Monte Carlo Simulation | Revenue Volatility | Level III | Fair Value, Recurring | Minimum | Oak Street Earnouts
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Earnout liability rate (as percent)	0.50	0.38
Monte Carlo Simulation | Revenue Volatility | Level III | Fair Value, Recurring | Maximum | Oak Street Earnouts
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Earnout liability rate (as percent)	0.50	0.38
Monte Carlo Simulation | Revenue Volatility | Level III | Fair Value, Recurring | Weighted Average | Oak Street Earnouts
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Earnout liability rate (as percent)	0.50	0.38