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Derivative and Hedging Activities - Additional Information (Details)
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2024
USD ($)
Sep. 30, 2023
USD ($)
Dec. 31, 2022
USD ($)
Interest
Jun. 30, 2022
USD ($)
Interest
Sep. 30, 2024
USD ($)
Sep. 30, 2023
USD ($)
Dec. 31, 2022
USD ($)
Interest
Dec. 31, 2023
USD ($)
Mar. 31, 2023
USD ($)
Derivative [Line Items]                  
Cash collateral pledged $ 1,400,000       $ 1,400,000     $ 0  
Pay Floating Swap Agreement [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]                  
Derivative [Line Items]                  
Derivative, Number of Instruments Held, Total | Interest       2          
Derivative, notional amount       $ 200,000,000          
Derivative, Fixed Coupon Rate       2.41%          
Derivative instrument cash payment                 $ 4,200,000
Pay Fixed Swap Agreement [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]                  
Derivative [Line Items]                  
Derivative, Number of Instruments Held, Total | Interest       1          
Derivative, notional amount     $ 49,100,000 $ 200,000,000     $ 49,100,000    
Derivative, Fixed Coupon Rate       2.75%          
Derivative, Term of Contract (Year)       8 years     9 years    
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 1,300,000       2,300,000        
Pay Fixed Swap Agreement [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Interest Income [Member]                  
Derivative [Line Items]                  
Derivative Instruments, Net settlements received 1,000,000 $ 959,000,000     3,000,000 $ 2,300,000      
Pay Fixed Swap Agreement [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]                  
Derivative [Line Items]                  
Derivative, Basis Spread on Variable Rate     3.403%       3.403%    
Pay Fixed Swap Agreement [Member] | Designated as Hedging Instrument [Member] | Fair Value Hedging [Member]                  
Derivative [Line Items]                  
Derivative, Number of Instruments Held, Total | Interest     4       4    
Derivative, notional amount     $ 201,000,000       $ 201,000,000    
Pay Fixed Swap Agreements Expiring in 2032 [Member] | Designated as Hedging Instrument [Member] | Fair Value Hedging [Member]                  
Derivative [Line Items]                  
Derivative, notional amount     $ 101,900,000       $ 101,900,000    
Derivative, Term of Contract (Year)     10 years            
Pay Fixed Swap Agreements Expiring in 2032 [Member] | Designated as Hedging Instrument [Member] | Fair Value Hedging [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]                  
Derivative [Line Items]                  
Derivative, Basis Spread on Variable Rate     3.39%       3.39%    
The 3.4015 Percent Pay Fixed Swap Agreement [Member] | Designated as Hedging Instrument [Member] | Fair Value Hedging [Member]                  
Derivative [Line Items]                  
Derivative, notional amount     $ 50,000,000       $ 50,000,000    
Derivative, Term of Contract (Year)     9 years            
The 3.4015 Percent Pay Fixed Swap Agreement [Member] | Designated as Hedging Instrument [Member] | Fair Value Hedging [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]                  
Derivative [Line Items]                  
Derivative, Basis Spread on Variable Rate     3.4015%       3.4015%    
Interest rate swaps                  
Derivative [Line Items]                  
Derivative, notional amount 42,600,000       42,600,000     0  
Interest rate swaps | Not designated as hedges                  
Derivative [Line Items]                  
Fair Value 1,300       1,300     0  
Derivative liabilities $ 1,300       $ 1,300     $ 0