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Income Taxes - Narrative (Details) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Income Tax Disclosure [Line Items]    
Deferred tax asset $ 80,500 $ 75,800
Deferred tax liabilitiy 16,561 14,126
Deferred federal, state and local, tax expense (benefit) 800 (600)
Indefinite-lived Intangible Assets    
Income Tax Disclosure [Line Items]    
Deferred tax liabilitiy 5,400 4,200
Federal    
Income Tax Disclosure [Line Items]    
Net NOL carryforwards 327,800  
Net operating loss carryforwards 90,300 330,700
Net operating loss carryforwards, no expiration 237,500 240,400
State    
Income Tax Disclosure [Line Items]    
Net NOL carryforwards 216,700  
Net operating loss carryforwards 153,000 191,800
Net operating loss carryforwards, no expiration $ 63,700 $ 37,300