Investments - Summarized Financial Information (Details) - USD ($) $ in Thousands	7 Months Ended	12 Months Ended
	Mar. 31, 2021	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Financial Position
Assets		$ 3,497,403	$ 4,188,125
Liabilities		1,844,086	2,363,795
Equity	$ 659,693	1,628,787	1,824,330	$ 659,693
Results of Operations
Expenses		67,077	(913,163)	(459,547)
Income tax expense		(3,821)	(28,300)	(23,256)
Net income (loss)	$ 256,900	(45,275)	484,281	314,593
Equity method investments
Financial Position
Assets		65,536,494	62,297,224
Liabilities		1,806,252	944,519
Equity		63,730,242	61,352,705
Results of Operations
Investment income		115,092	84,279	46,889
Expenses		(446,413)	(382,704)	(224,611)
Net realized and unrealized gain (loss) on investments		(4,966,901)	16,868,454	6,369,649
Income tax expense		(12,261)	(10,875)	(5,994)
Net income (loss)		$ (5,310,483)	$ 16,559,154	$ 6,185,933