v3.25.2
Derivatives and Hedging Activities - Offsetting Assets and Liabilities (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Financial Assets    
Gross Amounts Recognized $ 29.1 $ 44.9
Gross Amounts Offset in the Balance Sheet 0.0 0.0
Net Amounts in the Balance Sheet 29.1 44.9
Financial Instruments 0.0 0.0
Fair Value of Financial Collateral in the Balance Sheet 29.1 42.4
Net Amount 0.0 2.5
Financial Liabilities    
Gross Amounts Recognized 88.9 133.8
Gross Amounts Offset in the Balance Sheet 0.0 0.0
Net Amounts in the Balance Sheet 88.9 133.8
Financial Instruments 0.0 0.0
Fair Value of Financial Collateral in the Balance Sheet 0.0 0.0
Net Amount 88.9 133.8
Repurchase agreements    
Gross Amounts Recognized 509.3 523.9
Gross Amounts Offset in the Balance Sheet 0.0 0.0
Net Amounts in the Balance Sheet 509.3 523.9
Financial Instruments 0.0 0.0
Fair Value of Financial Collateral in the Balance Sheet 0.0 0.0
Net Amount 509.3 523.9
Total assets and liabilities    
Gross Amounts Recognized 598.2 657.7
Gross Amounts Offset in the Balance Sheet 0.0 0.0
Net Amounts in the Balance Sheet 598.2 657.7
Financial Instruments 0.0 0.0
Fair Value of Financial Collateral in the Balance Sheet 0.0 0.0
Net Amount 598.2 657.7
Derivative Liability, Notional Amount 1,718.6 2,107.0
Interest Rate Swap | Not Designated as Hedging Instrument    
Total assets and liabilities    
Derivative Liability, Notional Amount 1,330.7 1,415.4
Risk Participation Agreements | Not Designated as Hedging Instrument    
Total assets and liabilities    
Derivative Liability, Notional Amount 87.9 91.6
Interest Rate Swap and Interest Rate Collar    
Financial Assets    
Gross Amounts Recognized 29.1 44.9
Gross Amounts Offset in the Balance Sheet 0.0 0.0
Net Amounts in the Balance Sheet 29.1 44.9
Financial Instruments 0.0 0.0
Fair Value of Financial Collateral in the Balance Sheet 29.1 42.4
Net Amount 0.0 2.5
Financial Liabilities    
Gross Amounts Recognized 88.9 133.8
Gross Amounts Offset in the Balance Sheet 0.0 0.0
Net Amounts in the Balance Sheet 88.9 133.8
Financial Instruments 0.0 0.0
Fair Value of Financial Collateral in the Balance Sheet 0.0 0.0
Net Amount $ 88.9 $ 133.8