Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Fair Value - Assets and Liabilities Measured on Recurring Basis (Details)

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Note 4 - Fair Value - Assets and Liabilities Measured on Recurring Basis (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Debt securities available for sale, at fair value $ 503,277 $ 499,257
Fair Value, Recurring [Member]    
Loans held for sale 0 215
Interest rate swaps 6,812 6,463
Total assets measured at fair value on recurring basis 511,349 507,239
Interest rate swaps (6,812) (6,463)
Total liabilities measured at fair value on recurring basis (6,812) (6,463)
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]    
Debt securities available for sale, at fair value 0  
Loans held for sale 0 0
Interest rate swaps 0 0
Total assets measured at fair value on recurring basis 0 0
Interest rate swaps 0 0
Total liabilities measured at fair value on recurring basis 0 0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Debt securities available for sale, at fair value 240,113  
Loans held for sale 0 215
Interest rate swaps 6,812 6,463
Total assets measured at fair value on recurring basis 511,349 507,239
Interest rate swaps (6,812) (6,463)
Total liabilities measured at fair value on recurring basis (6,812) (6,463)
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]    
Debt securities available for sale, at fair value 0  
Loans held for sale 0 0
Interest rate swaps 0 0
Total assets measured at fair value on recurring basis 0 0
Interest rate swaps 0 0
Total liabilities measured at fair value on recurring basis 0 0
US Treasury and Government [Member]    
Debt securities available for sale, at fair value 240,113 224,634
US Treasury and Government [Member] | Fair Value, Recurring [Member]    
Debt securities available for sale, at fair value 240,113 224,634
US Treasury and Government [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]    
Debt securities available for sale, at fair value   0
US Treasury and Government [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Debt securities available for sale, at fair value   224,634
US Treasury and Government [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]    
Debt securities available for sale, at fair value   0
US Government Agencies Debt Securities [Member]    
Debt securities available for sale, at fair value 109,962 113,818
US Government Agencies Debt Securities [Member] | Fair Value, Recurring [Member]    
Debt securities available for sale, at fair value 109,962 113,818
US Government Agencies Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]    
Debt securities available for sale, at fair value 0 0
US Government Agencies Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Debt securities available for sale, at fair value 109,962 113,818
US Government Agencies Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]    
Debt securities available for sale, at fair value 0 0
Nontaxable Municipal Bonds [Member]    
Debt securities available for sale, at fair value 33,249 36,710
Nontaxable Municipal Bonds [Member] | Fair Value, Recurring [Member]    
Debt securities available for sale, at fair value 33,249 36,710
Nontaxable Municipal Bonds [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]    
Debt securities available for sale, at fair value 0 0
Nontaxable Municipal Bonds [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Debt securities available for sale, at fair value 33,249 36,710
Nontaxable Municipal Bonds [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]    
Debt securities available for sale, at fair value 0 0
Taxable Municipal Bonds [Member]    
Debt securities available for sale, at fair value 108,209 112,171
Taxable Municipal Bonds [Member] | Fair Value, Recurring [Member]    
Debt securities available for sale, at fair value 108,209 112,171
Taxable Municipal Bonds [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]    
Debt securities available for sale, at fair value 0 0
Taxable Municipal Bonds [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Debt securities available for sale, at fair value 108,209 112,171
Taxable Municipal Bonds [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]    
Debt securities available for sale, at fair value 0 0
Corporate Bonds And Other Debt Securities [Member]    
Debt securities available for sale, at fair value 11,744 11,924
Corporate Bonds And Other Debt Securities [Member] | Fair Value, Recurring [Member]    
Debt securities available for sale, at fair value 11,744 11,924
Corporate Bonds And Other Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]    
Debt securities available for sale, at fair value 0 0
Corporate Bonds And Other Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Debt securities available for sale, at fair value 11,744 11,924
Corporate Bonds And Other Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]    
Debt securities available for sale, at fair value 0 0
Other Equity Securities [Member] | Fair Value, Recurring [Member]    
Other equity securities 1,260 1,304
Other Equity Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]    
Other equity securities 0 0
Other Equity Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Other equity securities 1,260 1,304
Other Equity Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]    
Other equity securities $ 0 $ 0