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Income Taxes - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2020
Income Tax Disclosure [Line Items] |  |  |
Statutory federal tax | 21.00% | 21.00% | 21.00%
Deferred tax assets | $ 75,800 | $ 62,100 |
Deferred tax liabilitiy | 14,126 | 12,910 |
Indefinite-lived Intangible Assets |  |  |
Income Tax Disclosure [Line Items] |  |  |
Deferred tax liabilitiy | 4,200 | 3,200 |
Federal |  |  |
Income Tax Disclosure [Line Items] |  |  |
Net NOL carryforwards | 330,700 |  |
Net operating loss carryforwards | 90,300 | 55,300 |
Net operating loss carryforwards, no expiration | 240,400 | 55,300 |
State |  |  |
Income Tax Disclosure [Line Items] |  |  |
Net NOL carryforwards | 191,800 |  |
Net operating loss carryforwards | 154,500 | 47,100 |
Net operating loss carryforwards, no expiration | 37,300 | 24,500 |
Deferred tax assets | $ 600 | $ 100 |

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