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Commitments and Contingencies and Derivatives (Schedule of contract amounts represent off-balance sheet credit risk) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jan. 01, 2023
Sep. 30, 2023
Sep. 30, 2023
Dec. 31, 2022
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]        
Financial instruments represent off-balance sheet credit risk, asset   $ 128,912 $ 128,912 $ 126,216
Provision for credit losses - unfunded commitments $ 221 31 78  
Future loan commitments        
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]        
Financial instruments represent off-balance sheet credit risk, asset   7,544 7,544 3,815
Construction        
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]        
Financial instruments represent off-balance sheet credit risk, asset   40,487 40,487 30,274
Home equity        
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]        
Financial instruments represent off-balance sheet credit risk, asset   10,674 10,674 9,561
Undisbursed commercial and other line of credit        
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]        
Financial instruments represent off-balance sheet credit risk, asset   63,782 63,782 77,719
Standby letters of credit        
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]        
Financial instruments represent off-balance sheet credit risk, asset   5,350 5,350 4,571
Loans sold with recourse        
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]        
Financial instruments represent off-balance sheet credit risk, asset   $ 1,075 $ 1,075 $ 276