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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of significant unobservable inputs of level 3 financial assets and liabilities (Details) $ in Thousands	Mar. 31, 2025 USD ($)	Mar. 10, 2025 USD ($)	Dec. 31, 2024 USD ($)
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Loans receivable, fair value	$ 98,596		$ 90,103
Total assets measured at fair value	238,994		289,461
Contingent consideration, fair value	4,593		4,538
Liability-classified warrants, fair value	5,160
Embedded derivative, fair value	14,593
Total liabilities measured at fair value	26,486		10,213
Noncontrolling interest, fair value	1,575	$ 1,575
Market approach | Weighted Average
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Noncontrolling interest, measurement input		0.25
Discounted cash flow | Weighted Average
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Noncontrolling interest, measurement input		0.75
Significant unobservable inputs (Level 3)
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Loans receivable, fair value	98,596		90,103
Total assets measured at fair value	126,126		130,619
Contingent consideration, fair value	4,593		4,538
Liability-classified warrants, fair value	5,160
Embedded derivative, fair value	14,593
Total liabilities measured at fair value	24,346		4,538
Significant unobservable inputs (Level 3) | Market approach
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Equity securities, fair value	22,656		34,654
Loans receivable, fair value	$ 5,909		$ 3,953
Significant unobservable inputs (Level 3) | Market approach | Multiple of EBITDA
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Equity securities, measurement input	5.5		6.3
Significant unobservable inputs (Level 3) | Market approach | Market price of related security
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Loans receivable at fair value, measurement input	10.89
Significant unobservable inputs (Level 3) | Market approach | Minimum | Multiple of Sales
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Equity securities, measurement input	1.9		2.1
Significant unobservable inputs (Level 3) | Market approach | Minimum | Market price of related security
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Equity securities, measurement input	10.22		9.97
Loans receivable at fair value, measurement input			9.60
Significant unobservable inputs (Level 3) | Market approach | Maximum | Multiple of Sales
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Equity securities, measurement input	6.0		8.0
Significant unobservable inputs (Level 3) | Market approach | Maximum | Market price of related security
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Equity securities, measurement input	11.72		11.10
Loans receivable at fair value, measurement input			16.48
Significant unobservable inputs (Level 3) | Market approach | Weighted Average | Multiple of EBITDA
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Equity securities, measurement input	5.5		6.3
Significant unobservable inputs (Level 3) | Market approach | Weighted Average | Multiple of Sales
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Equity securities, measurement input	2.7		3.1
Significant unobservable inputs (Level 3) | Market approach | Weighted Average | Market price of related security
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Equity securities, measurement input	11.21		10.76
Loans receivable at fair value, measurement input	10.89		12.90
Significant unobservable inputs (Level 3) | Option pricing model
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Equity securities, fair value	$ 4,874		$ 5,862
Significant unobservable inputs (Level 3) | Option pricing model | Minimum | Annualized volatility
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Equity securities, measurement input	0.470		0.470
Significant unobservable inputs (Level 3) | Option pricing model | Maximum | Annualized volatility
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Equity securities, measurement input	1.750		1.710
Significant unobservable inputs (Level 3) | Option pricing model | Weighted Average | Annualized volatility
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Equity securities, measurement input	0.640		0.870
Significant unobservable inputs (Level 3) | Discounted cash flow
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Loans receivable, fair value	$ 77,687		$ 86,150
Contingent consideration, fair value	4,593		$ 4,538
Embedded derivative, fair value	$ 14,593
Significant unobservable inputs (Level 3) | Discounted cash flow | Discount rate
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Embedded derivative, measurement input	0.243
Significant unobservable inputs (Level 3) | Discounted cash flow | Minimum | Discount rate
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Loans receivable at fair value, measurement input	0.077		0.073
Contingent consideration, measurement input	0.050		0.050
Significant unobservable inputs (Level 3) | Discounted cash flow | Maximum | Discount rate
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Loans receivable at fair value, measurement input	0.228		0.691
Contingent consideration, measurement input	0.075		0.075
Significant unobservable inputs (Level 3) | Discounted cash flow | Weighted Average | Discount rate
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Loans receivable at fair value, measurement input	0.198		0.197
Contingent consideration, measurement input	0.051		0.051
Embedded derivative, measurement input	0.243
Significant unobservable inputs (Level 3) | Liquidation approach
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Loans receivable, fair value	$ 15,000
Significant unobservable inputs (Level 3) | Liquidation approach | Cash recovery rate
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Loans receivable at fair value, measurement input	0.161
Significant unobservable inputs (Level 3) | Liquidation approach | Weighted Average | Cash recovery rate
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Loans receivable at fair value, measurement input	0.161
Significant unobservable inputs (Level 3) | Monte Carlo simulation and Black-Scholes option pricing model
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Liability-classified warrants, fair value	$ 5,160
Significant unobservable inputs (Level 3) | Monte Carlo simulation and Black-Scholes option pricing model | Annualized volatility
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Liability-classified warrants, measurement input	0.750
Significant unobservable inputs (Level 3) | Monte Carlo simulation and Black-Scholes option pricing model | Discount for lack of marketability
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Liability-classified warrants, measurement input	0.137
Significant unobservable inputs (Level 3) | Monte Carlo simulation and Black-Scholes option pricing model | Weighted Average | Annualized volatility
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Liability-classified warrants, measurement input	0.750
Significant unobservable inputs (Level 3) | Monte Carlo simulation and Black-Scholes option pricing model | Weighted Average | Discount for lack of marketability
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Liability-classified warrants, measurement input	0.137
Significant unobservable inputs (Level 3) | Monte Carlo simulation model | Annualized volatility
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Embedded derivative, measurement input	1.050
Significant unobservable inputs (Level 3) | Monte Carlo simulation model | Expected term
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Embedded derivative liability, measurement input period	2 years 10 months 24 days
Significant unobservable inputs (Level 3) | Monte Carlo simulation model | Weighted Average | Annualized volatility
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Embedded derivative, measurement input	1.050
Significant unobservable inputs (Level 3) | Monte Carlo simulation model | Weighted Average | Expected term
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Embedded derivative liability, measurement input period	2 years 10 months 24 days
Significant unobservable inputs (Level 3) | Discounted cash flow and market approach
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Noncontrolling interest, fair value		$ 1,575
Significant unobservable inputs (Level 3) | Discounted cash flow and market approach | Discount rate
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Noncontrolling interest, measurement input		0.21
Significant unobservable inputs (Level 3) | Discounted cash flow and market approach | Minimum | Multiple of EBITDA
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Noncontrolling interest, measurement input		5.75
Significant unobservable inputs (Level 3) | Discounted cash flow and market approach | Maximum | Multiple of EBITDA
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Noncontrolling interest, measurement input		10.00
Significant unobservable inputs (Level 3) | Discounted cash flow and market approach | Weighted Average | Multiple of EBITDA
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Noncontrolling interest, measurement input		7.3
Significant unobservable inputs (Level 3) | Discounted cash flow and market approach | Weighted Average | Discount rate
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Noncontrolling interest, measurement input		0.21

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Fair value portion of asset recognized for present right to economic benefit.

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