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FAIR VALUE MEASUREMENTS - Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis Using Level 3 Inputs (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning balance | $ 157,048 | $ 164,948
Net investment income |  |
Net foreign exchange gains (losses) | (7) | (5)
Purchases | 4,217 | 1,809
Sales | (98,217) |
Settlements | (3,493) | (2,342)
Ending balance | $ 43,372 | $ 157,048
Net investment income |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Fair Value, Asset (Liability), Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Net investment income (Note 5) | Net investment income (Note 5)
Net investment income |  |
Net in earnings (loss) | $ 258 | $ 250
Net realized and unrealized gains (losses) on investments |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Fair Value, Asset (Liability), Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Net realized and unrealized gains (losses) on investments | Net realized and unrealized gains (losses) on investments
Net investment income |  |
Net in earnings (loss) | $ (16,686) | $ (7,120)
Other income (loss) |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Fair Value, Asset (Liability), Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Other income (loss) | Other income (loss)
Net investment income |  |
Net in earnings (loss) | $ 252 | $ (492)
Direct private equity investments |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning balance | 59,905 | 66,780
Net investment income |  |
Net foreign exchange gains (losses) | (7) | (5)
Purchases | 577 | 0
Sales | (270) |
Settlements | 0 | 0
Ending balance | 43,777 | 59,905
Direct private equity investments | Net investment income |  |
Net investment income |  |
Net in earnings (loss) | 258 | 250
Direct private equity investments | Net realized and unrealized gains (losses) on investments |  |
Net investment income |  |
Net in earnings (loss) | (16,686) | (7,120)
Direct private equity investments | Other income (loss) |  |
Net investment income |  |
Net in earnings (loss) | 0 | 0
Term loans |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning balance | 97,658 | 100,000
Net investment income |  |
Net foreign exchange gains (losses) | 0 | 0
Purchases | 0 | 0
Sales | (94,321) |
Settlements | (3,337) | (2,342)
Ending balance | 0 | 97,658
Term loans | Net investment income |  |
Net investment income |  |
Net in earnings (loss) | 0 | 0
Term loans | Net realized and unrealized gains (losses) on investments |  |
Net investment income |  |
Net in earnings (loss) | 0 | 0
Term loans | Other income (loss) |  |
Net investment income |  |
Net in earnings (loss) | 0 | 0
Other Assets and (Liabilities) |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning balance | (515) | (1,832)
Net investment income |  |
Net foreign exchange gains (losses) | 0 | 0
Purchases | 3,640 | 1,809
Sales | (3,626) |
Settlements | (156) | 0
Ending balance | (405) | (515)
Other Assets and (Liabilities) | Net investment income |  |
Net investment income |  |
Net in earnings (loss) | 0 | 0
Other Assets and (Liabilities) | Net realized and unrealized gains (losses) on investments |  |
Net investment income |  |
Net in earnings (loss) | 0 | 0
Other Assets and (Liabilities) | Other income (loss) |  |
Net investment income |  |
Net in earnings (loss) | $ 252 | $ (492)

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