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Commitments and Contingent Liabilities - Narrative (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2025
Jun. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Loss Contingencies [Line Items]            
Allowance for credit losses on unfunded commitments $ 894,000     $ 894,000   $ 894,000
Provision (reversal) for credit losses on unfunded loan commitments 0 $ 0 $ (233,000) 0 $ (233,000)  
Loss contingency accrual $ 615,000   $ 615,000 $ 615,000 $ 615,000  
Minimum            
Loss Contingencies [Line Items]            
Weighted average remaining term (in years) 31 days     31 days    
Finance lease, initial contract terms (in years) 3 years     3 years    
Maximum            
Loss Contingencies [Line Items]            
Weighted average remaining term (in years) 16 years 8 months     16 years 8 months    
Finance lease, initial contract terms (in years) 5 years     5 years