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Fair Value Disclosures - Investments Measured at Fair Value Based on Net Asset Value Per Share (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
May 31, 2025 | Nov. 30, 2024
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Fair Value | $ 1,440,253 | $ 1,252,689
Unfunded Commitments | 191,726 | 293,780
Hedge Funds |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Fair Value | 689,960 | 660,720
Unfunded Commitments | $ 0 | $ 0
Hedge Funds | Debt Instrument, Redemption, Period One |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Percentage of redeemable investments |  | 53.00%
Hedge Funds | Debt Instrument, Redemption, Period One | 90 Days Prior Written Notice |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Percentage of redeemable investments | 50.00% |
Notice period redemption of investment prior written notice period | 90 days | 90 days
Hedge Funds | Debt Instrument, Redemption, Period One | 45 Days Prior Written Notice |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Notice period redemption of investment prior written notice period | 45 days | 45 days
Hedge Funds | Debt Instrument, Redemption, Period Two |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Percentage of redeemable investments |  | 47.00%
Hedge Funds | Debt Instrument, Redemption, Period Two | 60 Days Prior Written Notice |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Percentage of redeemable investments | 50.00% |
Notice period redemption of investment prior written notice period | 60 days | 60 days
Hedge Funds | Debt Instrument, Redemption, Period Two | 45 Days Prior Written Notice |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Notice period redemption of investment prior written notice period | 45 days | 45 days
Private Equity Funds |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Fair Value | $ 64,532 | $ 60,215
Unfunded Commitments | $ 26,638 | $ 30,530
Percentage of not redeemable investments | 100.00% | 100.00%
Estimated period for the liquidation of the underlying assets, minimum | 1 year | 1 year
Expected period for the liquidation of the underlying assets, maximum | 10 years | 10 years
Credit Funds |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Fair Value | $ 489,597 | $ 430,429
Unfunded Commitments | $ 106 | $ 30,554
Percentage of not redeemable investments | 38.00% | 25.00%
Credit Funds | Debt Instrument, Redemption, Period One | 90 Days Prior Written Notice |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Percentage of redeemable investments | 60.00% | 72.00%
Notice period redemption of investment prior written notice period | 90 days | 90 days
Credit Funds | Debt Instrument, Redemption, Period Two | 30 Days Prior Written Notice |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Percentage of redeemable investments | 2.00% | 3.00%
Notice period redemption of investment prior written notice period | 30 days | 30 days
Real Estate and Other Funds |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Fair Value | $ 196,164 | $ 101,325
Unfunded Commitments | $ 164,982 | $ 232,696
Percentage of not redeemable investments | 74.00% | 100.00%
Real Estate and Other Funds | 90 Days Prior Written Notice |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Percentage of redeemable investments | 26.00% |
Notice period redemption of investment prior written notice period | 90 days |
Short-term Investments | 90 Days Prior Written Notice |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Notice period redemption of investment prior written notice period | 90 days | 90 days
Short-term Investments | 120 Days Prior Written Notice |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |
Notice period redemption of investment prior written notice period | 120 days | 120 days

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