FAIR VALUE MEASUREMENTS - Company's Portfolio of Other Investments Measured Using Net Asset Valuations (Details) - Fair Value Measured at Net Asset Value Per Share - USD ($) |
Sep. 30, 2022 |
Dec. 31, 2021 |
---|---|---|
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] | ||
Fair Value | $ 958,188,000 | $ 725,803,000 |
Unfunded Commitments | 1,210,325,000 | 1,327,137,000 |
Private credit funds | ||
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] | ||
Fair Value | 677,499,000 | 473,112,000 |
Unfunded Commitments | 764,384,000 | 868,571,000 |
Private equity funds | ||
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] | ||
Fair Value | 280,689,000 | 241,297,000 |
Unfunded Commitments | 445,941,000 | 458,566,000 |
Hedge funds | ||
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] | ||
Fair Value | $ 0 | 11,394,000 |
Unfunded Commitments | $ 0 |