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FAIR VALUE MEASUREMENTS - Fair Value of Certain Investments Based on NAV (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2023 | Dec. 31, 2022
Fair Value Investments Entities That Calculate Net Asset Value Per Share [Line Items] |  |
NAV | $ 87,011 | $ 64,968
Unfunded Commitments | 5,579 | 5,455
Hedge funds |  |
Fair Value Investments Entities That Calculate Net Asset Value Per Share [Line Items] |  |
NAV | $ 43,391 | $ 29,259
Hedge funds | Minimum |  |
Fair Value Investments Entities That Calculate Net Asset Value Per Share [Line Items] |  |
Redemption Notice Period | 30 days | 30 days
Hedge funds | Maximum |  |
Fair Value Investments Entities That Calculate Net Asset Value Per Share [Line Items] |  |
Redemption Notice Period | 60 days | 60 days
Hedge funds | Monthly |  |
Fair Value Investments Entities That Calculate Net Asset Value Per Share [Line Items] |  |
Investments redeemable (as percent) | 73.00% | 68.00%
Hedge funds | Quarterly |  |
Fair Value Investments Entities That Calculate Net Asset Value Per Share [Line Items] |  |
Investments redeemable (as percent) | 27.00% | 32.00%
Other |  |
Fair Value Investments Entities That Calculate Net Asset Value Per Share [Line Items] |  |
NAV | $ 659 | $ 615
Other | Minimum |  |
Fair Value Investments Entities That Calculate Net Asset Value Per Share [Line Items] |  |
Redemption Notice Period | 30 days | 30 days
Other | Maximum |  |
Fair Value Investments Entities That Calculate Net Asset Value Per Share [Line Items] |  |
Redemption Notice Period | 30 days | 30 days
Other | Monthly |  |
Fair Value Investments Entities That Calculate Net Asset Value Per Share [Line Items] |  |
Investments redeemable (as percent) | 95.00% | 95.00%
Other | Daily |  |
Fair Value Investments Entities That Calculate Net Asset Value Per Share [Line Items] |  |
Investments redeemable (as percent) | 5.00% | 5.00%
Debt |  |
Fair Value Investments Entities That Calculate Net Asset Value Per Share [Line Items] |  |
NAV | $ 4 | $ 4
Redemption Notice Period | 30 days | 30 days
Debt | Daily |  |
Fair Value Investments Entities That Calculate Net Asset Value Per Share [Line Items] |  |
Investments redeemable (as percent) | 100.00% | 100.00%
Equity |  |
Fair Value Investments Entities That Calculate Net Asset Value Per Share [Line Items] |  |
NAV | $ 43 | $ 40
Equity | Minimum |  |
Fair Value Investments Entities That Calculate Net Asset Value Per Share [Line Items] |  |
Redemption Notice Period | 30 days | 30 days
Equity | Maximum |  |
Fair Value Investments Entities That Calculate Net Asset Value Per Share [Line Items] |  |
Redemption Notice Period | 60 days | 60 days
Equity | Monthly |  |
Fair Value Investments Entities That Calculate Net Asset Value Per Share [Line Items] |  |
Investments redeemable (as percent) | 34.00% | 35.00%
Equity | Annually |  |
Fair Value Investments Entities That Calculate Net Asset Value Per Share [Line Items] |  |
Investments redeemable (as percent) | 66.00% | 65.00%
Private equity | Equity growth |  |
Fair Value Investments Entities That Calculate Net Asset Value Per Share [Line Items] |  |
NAV | $ 42,914 | $ 35,050
Unfunded Commitments | $ 5,579 | $ 5,455
Fair value not redeemable (as percent) | 100.00% | 100.00%
Private equity | Consolidated But Not Owned |  |
Fair Value Investments Entities That Calculate Net Asset Value Per Share [Line Items] |  |
Unfunded Commitments | $ 10,652 | $ 8,003

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- Definition States the percentage with which the entity can redeem its investment, or portion thereof, per period (for example, annually, semi-annually, quarterly) for each of those certain investments for which net asset value per share is calculated (including by unit, membership interest, or other equity (ownership interest) unit measure) (alternative investments), by major category. + References No definition available. + Details
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