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Derivative Instruments and Hedge Activities - Additional Information (Details) - USD ($)
 12 Months Ended
Jul. 01, 2023
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Jan. 16, 2025
Jun. 30, 2023
May 30, 2023
Mar. 31, 2023
Derivative [Line Items]                
Derivative notional amount   $ 1,518,888,000 $ 1,359,728,000          
Other Assets   44,401,000 56,923,000          
Interest recorded   13,669,000 17,161,000 $ 9,322,000        
Net unrealized gain   13,600,000            
Fair value of derivatives net liability position   17,800,000            
Offsetting derivative positions   415,000 925,000          
Interest Rate Swap                
Derivative [Line Items]                
Net gain on termination of interest rate swap agreements $ 6,000              
Interest recorded   18,400,000 15,300,000 1,000,000        
Other Interest Rate Derivatives                
Derivative [Line Items]                
Derivative notional amount   851,742,000            
Other Assets   $ 17,865,000            
Weighted average pay rates   4.91%            
Derivative maturity date, start year   2025-03            
Derivative maturity date, end year   2033-03            
Derivative instruments transaction fees   $ 1,300,000 617,000 $ 2,000,000        
Derivative Weighted Average Receive Rate   5.97%            
Other Credit Derivatives                
Derivative [Line Items]                
Derivative notional amount   $ 10,400,000 1,200,000          
Notional amount of nonderivative instruments   6,800,000 2,400,000          
Cash Flow Hedging                
Derivative [Line Items]                
Derivative notional amount   650,000,000            
Other Assets   $ 26,529,000            
Weighted average pay rates   7.65%            
Derivative Weighted Average Receive Rate   1.04%            
Cash Flow Hedging | Interest Rate Swap                
Derivative [Line Items]                
Derivative notional amount   $ 42,000,000            
Other Assets   3,500,000            
Cash Flow Hedging | Fixed Interest Rate Swap                
Derivative [Line Items]                
Derivative notional amount   $ 200,000,000            
Weighted average pay rates   3.46%            
Derivative Weighted Average Receive Rate   7.30%            
Cash Flow Hedging | Other Interest Rate Derivatives                
Derivative [Line Items]                
Derivative notional amount   $ 450,000,000            
Derivatives Not Designated As Hedging Instruments                
Derivative [Line Items]                
Fair value of derivative assets and liabilities 6,200,000              
Derivatives Not Designated As Hedging Instruments | Interest Rate Swap                
Derivative [Line Items]                
Derivative notional amount $ 67,700,000              
Derivatives Not Designated As Hedging Instruments | Other Interest Rate Derivatives                
Derivative [Line Items]                
Derivative notional amount   851,742,000 706,126,000          
Other Assets   17,865,000 19,447,000          
Designated as Hedging Instrument | Cash Flow Hedging                
Derivative [Line Items]                
Terminated swaps           $ 50,000,000 $ 50,000,000  
Designated as Hedging Instrument | Cash Flow Hedging | Interest Rate Swap                
Derivative [Line Items]                
Derivative notional amount   650,000,000 650,000,000          
Other Assets   26,529,000 37,475,000          
Remaining balance in accumulated other comprehensive income   4,200,000            
Remaining unamortized balance   2,900,000 $ 3,700,000          
Terminated swaps               $ 100,000,000
Designated as Hedging Instrument | Cash Flow Hedging | Fixed Interest Rate Swap                
Derivative [Line Items]                
Derivative notional amount   $ 200,000,000            
Investment, Type [Extensible Enumeration]   Adjustable Rate Loans [Member]            
Designated as Hedging Instrument | Cash Flow Hedging | Fixed Interest Rate Swap | Subsequent Event                
Derivative [Line Items]                
Derivative notional amount         $ 50,000,000      
Deposits And Other Borrowings | Designated as Hedging Instrument | Cash Flow Hedging | Fixed Interest Rate Swap                
Derivative [Line Items]                
Derivative notional amount   $ 450,000,000