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Derivative and Hedging Activities (Details Textuals) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2019
Sep. 30, 2026
Dec. 31, 2025
Derivative Instruments and Hedging Activities Disclosures [Line Items]        
Additional Collateral, Aggregate Fair Value $ 76.9     $ 79.4
Derivative collateral right to reclaim cash 6.0     $ 11.8
Derivative Liability Notional Amount, Terminated   $ 500.0    
Underlying Hedged Asset, Amortized Cost Basis $ 184.8      
Cash Flow Hedge Gain (Loss) to be Reclassified within 12 Months     $ 1.6  
Maximum Length of Time Hedged in Cash Flow Hedge 35 months      
Designated as Hedging Instrument        
Derivative Instruments and Hedging Activities Disclosures [Line Items]        
Deferred (Gain) Loss on Discontinuation of Fair Value Hedge $ 0.7