v3.26.1
Derivative and Hedging Activities - Additional Information (Details)
 3 Months Ended
Feb. 26, 2026
USD ($)
Jan. 31, 2026
USD ($)
Feb. 06, 2025
USD ($)
Mar. 31, 2026
USD ($)
Mar. 31, 2025
USD ($)
Dec. 31, 2025
USD ($)
Sep. 30, 2025
USD ($)
Dec. 31, 2022
USD ($)
Interest
Jun. 30, 2022
USD ($)
Interest
Derivative [Line Items]                  
Cash collateral pledged       $ 530,000,000   $ 2,500,000      
Pay Fixed Swap Agreement [Member] | Designated as Hedging Instrument [Member]                  
Derivative [Line Items]                  
Sale of interest rate swaps $ 150,000,000   $ 50,000,000            
Pay Fixed Swap Agreement [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]                  
Derivative [Line Items]                  
Derivative, number of instruments held | Interest                 1
Derivative, notional amount                 $ 200,000,000
Pay Fixed Swap Agreement [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Interest Expense [Member]                  
Derivative [Line Items]                  
Derivative Instruments, Net settlements received       411,000 $ 750,000        
Pay Fixed Swap Agreement [Member] | Designated as Hedging Instrument [Member] | Fair Value Hedging [Member]                  
Derivative [Line Items]                  
Derivative, number of instruments held | Interest               4  
Derivative, notional amount             $ 30,400,000 $ 201,000,000  
Derivative, fixed coupon rate             3.52%    
Derivative Instruments, Net settlements received       $ 37,000 550,000        
Derivative, contract maturity year       2040          
Interest Rate Swaps [Member]                  
Derivative [Line Items]                  
Derivative, notional amount       $ 93,700,000   101,500,000      
Interest Rate Swaps [Member] | Designated as Hedging Instrument [Member]                  
Derivative [Line Items]                  
Gain on transaction $ 4,600,000 $ 2,500,000 $ 3,600,000            
Remaining on the life of the swap 6 years   7 years            
Interest Rate Swaps [Member] | Designated as Hedging Instrument [Member] | Fair Value Hedging [Member] | Agency Mortgage Backed Securities [Member]                  
Derivative [Line Items]                  
Derivative, notional amount             $ 40,600,000    
Interest Rate Swaps [Member] | Designated as Hedging Instrument [Member] | Fair Value Hedging [Member] | Interest Income [Member]                  
Derivative [Line Items]                  
Derivative Instruments, Net settlements received       6,000 $ 0        
Interest Rate Swaps [Member] | Not Designated as Hedging Instrument [Member]                  
Derivative [Line Items]                  
Fair Value       1,100,000   1,800,000      
Derivative liabilities       $ 930,000   $ 1,700,000