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

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.

No definition available.

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