Investments - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Mar. 31, 2023
Schedule of Equity Method Investments [Line Items]
Net gain (loss)	$ 757	$ 4,344
Unrealized gain/(loss) on secured borrowings, fair value adjustment	29	723
Reported Value Measurement
Schedule of Equity Method Investments [Line Items]
Fair value investments	$ 7,388		$ 7,429
Equity method investments in Partnerships
Schedule of Equity Method Investments [Line Items]
Percent interest in partnerships	1.00%
Investment, Held As Collateral
Schedule of Equity Method Investments [Line Items]
Net gain (loss)	$ (29)	$ (723)