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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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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 6.I.Fact.4) -URI http://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
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