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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