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Derivative Instruments and Hedging Activities - Schedule of Gross Amounts of Derivative Assets and Derivative Liabilities (Details) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Derivative Assets (Included in Other Assets)    
Derivative Asset, Statement of Financial Position [Extensible Enumeration] Other assets Other assets
Notional Amount $ 871,064 $ 892,712
Derivative financial assets $ 72,093 $ 63,018
Derivative Liabilities (Included in Other Liabilities)    
Derivative Liability, Statement of Financial Position [Extensible Enumeration] Other liabilities Other liabilities
Notional Amount $ 1,371,064 $ 1,392,712
Derivative financial liabilities 90,982 78,293
Interest rate swap contracts—commercial loans    
Derivative Assets (Included in Other Assets)    
Derivative financial assets 72,093 63,018
Derivative Liabilities (Included in Other Liabilities)    
Derivative financial liabilities 90,982 78,293
Designated as Hedging Instruments | Cash Flow Hedge    
Derivative Assets (Included in Other Assets)    
Notional Amount 0 0
Derivative financial assets 0 0
Derivative Liabilities (Included in Other Liabilities)    
Notional Amount 500,000 500,000
Derivative financial liabilities 18,404 14,739
Not Designated as Hedging Instruments | Interest rate swap contracts—commercial loans    
Derivative Assets (Included in Other Assets)    
Notional Amount 871,064 892,712
Derivative financial assets 72,093 63,018
Derivative Liabilities (Included in Other Liabilities)    
Notional Amount 871,064 892,712
Derivative financial liabilities $ 72,578 $ 63,554