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Investments - Schedule of Equity Securities without Readily Determinable Fair Value (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Carrying amount beginning of the period	$ 175,522	$ 190,023	$ 168,732	$ 156,100
Purchases	0	7,440	6,312	34,676
Sales / return of capital	0	0	(177)	0
Net unrealized gain (loss)	0	(31,631)	1,177	(24,944)
Net realized loss	0	0	(522)	0
Carrying amount, end of period	$ 175,522	$ 165,832	$ 175,522	$ 165,832

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- Definition

Equity Securities without Readily Determinable Fair Value, Net Realized (Loss) Gain

+ References

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- Definition

Equity Securities without Readily Determinable Fair Value, Net Unrealized (Loss) Gain

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- Definition

Equity Securities without Readily Determinable Fair Value, Purchases

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- Definition

Equity Securities without Readily Determinable Fair Value, Return of Capital

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- Definition

Amount of investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479536/321-10-50-3

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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