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Investments, at Fair Value - Reconciliation of Investment Income (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2023 | Dec. 31, 2021 | Dec. 31, 2020
Investments, Debt and Equity Securities [Abstract] |  |  |  |  |  |  |
(Loss) gain from change in NAV of alternative assets |  |  | $ (10,811) | $ 2,091 | $ (54,010) | $ 15,534 | $ (17,558)
Gain on repurchase options (see Note 6) |  |  | 0 | 0 | 0 | 0 | 61,664
Gain on Collateral Swap (see Note 4) |  |  | 0 | 0 | 0 | 0 | 88,514
Investment income (loss), net | $ 500 | $ (25,117) | $ (10,811) | $ 2,091 | $ (54,010) | $ 15,534 | $ 132,620

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- Definition Gain (Loss) on Alternative Investment + References No definition available. + Details
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- Definition Gain (Loss) on Collateral Exchange + References No definition available. + Details
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- Definition Gain (Loss) on Repurchase Option + References No definition available. + Details
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- Definition Revenues from operations, excluding interest and dividend income. Includes revenues from the following sources: investment banking (underwriting and financial advisory), principal transactions (sales and trading, and investment gains and losses), commissions, asset management, and investment advisory and other services. + References No definition available. + Details
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