v3.26.3
Financial Instruments and Financial Risk - Narrative (Details) - USD ($)
Sep. 30, 2026
Dec. 31, 2025
Mar. 31, 2025
Mar. 31, 2023
Derivative [Line Items]        
Notional amount $ 644,200,000 $ 664,400,000    
Allowance for uncollectible accounts 1,764,000 2,968,000    
Interest rate swaps | Derivatives designated as hedging instruments        
Derivative [Line Items]        
Notional amount $ 400,000,000.0 $ 400,000,000.0 $ 400,000,000.0 $ 400,000,000.0