v3.26.1
Income Taxes - Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
Tax Credit Carryforward [Line Items]        
Valuation allowance $ 1,273 $ 1,200    
Transferable federal tax credits, amount purchased 17,900      
Transferable federal tax credits, amount paid 13,800 2,800    
Transferable tax credit, income tax benefit 1,100      
Net operating loss carryforwards, state 3,700      
Unrecognized tax benefits 13,587 $ 11,989 $ 9,302 $ 7,913
Unrecognized tax benefits that would impact the effective tax rate 13,300      
Increase (decrease) in prepaid taxes 35,300      
Decrease in deferred tax assets 35,300      
Federal Tax        
Tax Credit Carryforward [Line Items]        
Tax credit carryforwards, research 4,900      
State Tax        
Tax Credit Carryforward [Line Items]        
Tax credit carryforwards, research $ 9,500