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Income Taxes (Details) - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Tax Disclosure [Abstract]
Decrease in deferred tax assets			$ 103,000,000
Decrease in valuation allowance			30,500,000
Benefit from release of valuation allowance			25,300,000
Due to related parties, tax receivable agreements	$ 36,500,000		$ 36,500,000
Effective tax rate	(12.40%)	0.80%	0.10%	3.50%
Business Acquisition [Line Items]
Benefit from release of valuation allowance			$ 25,300,000
Unrecognized tax benefits	$ 0		0
Changes to uncertain tax positions	$ 0		0
Greenspring
Income Tax Disclosure [Abstract]
Benefit from release of valuation allowance			25,300,000
Business Acquisition [Line Items]
Benefit from release of valuation allowance			$ 25,300,000
Benefit from release of valuation allowance, percent			9.90%

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