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FAIR VALUE MEASUREMENTS - Significant Unobservable Inputs (Details)	Sep. 30, 2025 USD ($) month	Dec. 31, 2024 USD ($) month
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Life settlement policies, at fair value	$ 423,782,347	$ 370,398,447
Discount rate supported by historical realized gains by risk category
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Life settlement policies, at fair value	423,782,347
Historical realized gains by risk category
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Life settlement policies, at fair value	$ 423,782,347
Life settlement policies, measurement input	0.24
Discounted cash flow with Monte Carlo simulation | Weighted Average | Discount rate supported by historical realized gains by risk category
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Life settlement policies, measurement input	0.15
Level 3 | Discounted cash flow with Monte Carlo simulation
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Life settlement policies, at fair value	$ 423,782,347	$ 370,398,447
Level 3 | Discounted cash flow with Monte Carlo simulation | Weighted Average | Discount rate supported by historical realized gains by risk category
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Life settlement policies, measurement input	0.15	0.20
Level 3 | Discounted cash flow with Monte Carlo simulation | Weighted Average | Historical realized gains by risk category
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Life settlement policies, measurement input	0.24	0.20
Level 3 | Discounted cash flow with Monte Carlo simulation | Weighted Average | Life expectancy (months)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Life settlement policies, measurement input | month	50	71
Level 3 | Discounted cash flow with Monte Carlo simulation | Weighted Average | Risk score
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Life settlement policies, measurement input	1.98	1.86
Level 3 | Discounted cash flow with Monte Carlo simulation | Minimum | Discount rate supported by historical realized gains by risk category
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Life settlement policies, measurement input	0.14	0.17
Level 3 | Discounted cash flow with Monte Carlo simulation | Minimum | Historical realized gains by risk category
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Life settlement policies, measurement input	0.06	0.06
Level 3 | Discounted cash flow with Monte Carlo simulation | Minimum | Life expectancy (months)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Life settlement policies, measurement input | month	2	5
Level 3 | Discounted cash flow with Monte Carlo simulation | Minimum | Risk score
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Life settlement policies, measurement input	1	1
Level 3 | Discounted cash flow with Monte Carlo simulation | Maximum | Discount rate supported by historical realized gains by risk category
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Life settlement policies, measurement input	0.18	0.21
Level 3 | Discounted cash flow with Monte Carlo simulation | Maximum | Historical realized gains by risk category
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Life settlement policies, measurement input	0.56	0.56
Level 3 | Discounted cash flow with Monte Carlo simulation | Maximum | Life expectancy (months)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Life settlement policies, measurement input | month	270	311
Level 3 | Discounted cash flow with Monte Carlo simulation | Maximum | Risk score
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Life settlement policies, measurement input	5	5

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Fair value amount of life settlement contracts accounted for under the fair value method.

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