v3.26.1
Note 10 - Fair Values of Financial Instruments - Quantitative Information About Significant Unobservable Inputs Used in Fair Value Measurement (Details)
Jun. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Jun. 30, 2025
USD ($)
Fair Value $ 411,326,000 $ 370,614,000  
Loans individually evaluated for impairment 18,462,000   $ 7,453,000
Other Real Estate Owned, Fair Value Disclosure 700,000 2,000,000  
Estimate of Fair Value Measurement [Member]      
Fair Value 411,326,000 370,614,000  
US States and Political Subdivisions Debt Securities [Member]      
Fair Value 17,306,000 16,282,000  
Valuation Technique, Discounted Cash Flow [Member] | Estimate of Fair Value Measurement [Member]      
Other Real Estate Owned, Fair Value Disclosure [2] 700,000 [1],[3] $ 1,959  
Valuation Technique, Discounted Cash Flow [Member] | Estimate of Fair Value Measurement [Member] | Minimum [Member]      
Other Real Estate Owned, Measurement Input [2]   13  
Valuation Technique, Discounted Cash Flow [Member] | Estimate of Fair Value Measurement [Member] | Maximum [Member]      
Other Real Estate Owned, Measurement Input [2]   14  
Valuation Technique, Discounted Cash Flow [Member] | Estimate of Fair Value Measurement [Member] | Weighted Average [Member]      
Other Real Estate Owned, Measurement Input [2],[4]   13  
Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Appraised Value [Member] | US States and Political Subdivisions Debt Securities [Member]      
Fair Value [5] $ 2,609,000 $ 3,604,000  
Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Appraised Value [Member] | US States and Political Subdivisions Debt Securities [Member] | Minimum [Member]      
Investment securities, measurement input 0 0  
Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Appraised Value [Member] | US States and Political Subdivisions Debt Securities [Member] | Maximum [Member]      
Investment securities, measurement input 0.07 0.06  
Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Appraised Value [Member] | US States and Political Subdivisions Debt Securities [Member] | Weighted Average [Member]      
Investment securities, measurement input [4] 0.01 0.02  
Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Collateral Discounts and Estimated Costs to Sell [Member] | Minimum [Member]      
Impaired loans, measurement input 0.02 [1] 0.01  
Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Collateral Discounts and Estimated Costs to Sell [Member] | Maximum [Member]      
Impaired loans, measurement input 1 [1] 1  
Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Collateral Discounts and Estimated Costs to Sell [Member] | Weighted Average [Member]      
Impaired loans, measurement input [4] 0.05 [1] 0.09 [2]  
Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Collateral Discounts and Estimated Costs to Sell [Member] | Estimate of Fair Value Measurement [Member]      
Loans individually evaluated for impairment [1] $ 3,011,000 [6] $ 3,312,000  
Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Collateral Discounts and Discount Rates [Member] | Estimate of Fair Value Measurement [Member]      
Other Real Estate Owned, Measurement Input [2] 0.10    
Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Collateral Discounts and Discount Rates [Member] | Estimate of Fair Value Measurement [Member] | Weighted Average [Member]      
Other Real Estate Owned, Measurement Input [2],[4] 0.10    
[1] Loans individually evaluated for impairment that were re-measured during the period had a carrying value of $3.4 million and $3.6 million at June 30, 2026 and December 31, 2025, respectively, with related ACL of $0.4 million and $0.3 million, respectively, as of such dates.
[2] Other real estate owned that was re-measured during the period had a carrying value of $0.7 million at June 30, 2026. During the six months ended June 30, 2026, the Company recorded a $0.1 million write-down of other real estate owned which in included as part of “Other Operating Expenses” in noninterest expense on the accompanying consolidated statement of income. Other real estate owned that was re-measured during the period had a carrying value of $2.0 million at December 31, 2025. During the six months ended June 30, 2025, the Company recorded a $0.3 million write-down of other real estate owned which in included as part of “Other Operating Expenses” in noninterest expense on the accompanying consolidated statement of income.
[3] Other real estate owned that was re-measured during the period had a carrying value of $2.0 million at December 31, 2025.
[4] Weighted by relative fair value.
[5] Fair values determined through valuation analysis using coupon, yield (discount margin), liquidity and expected repayment dates.
[6] Loans individually evaluated for impairment that were re-measured during the period had a carrying value of $3.1 million and $3.6 million at March 31, 2026 and December 31, 2025, respectively, with related ACL of $0.4 million and $0.2 million, respectively, as of such dates.