v3.26.1
Fair Value Qualitative information about Level 3 fair value measurements (Details)
$ in Thousands
Mar. 31, 2026
USD ($)
Dec. 31, 2025
USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Impaired Loan Fair Value $ 4,326 $ 4,061
Estimate of Fair Value Measurement [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Impaired Loan Fair Value   4,061
Fair Value, Inputs, Level 3 [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Impaired Loan Fair Value 4,326 4,061
Loans Receivable [Member] | Fair Value, Inputs, Level 3 [Member] | Commercial Financial And Agricultural [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Nonrecurring [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Impaired Loan Fair Value 2,598 3,674
Loans Receivable [Member] | Fair Value, Inputs, Level 3 [Member] | Commercial Real Estate [Member] | Fair Value, Nonrecurring [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Impaired Loan Fair Value   370
Loans Receivable [Member] | Fair Value, Inputs, Level 3 [Member] | Commercial Real Estate [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Nonrecurring [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Impaired Loan Fair Value 1,173  
Loans Receivable [Member] | Fair Value, Inputs, Level 3 [Member] | Residential Real Estate [Member] | Fair Value, Nonrecurring [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Impaired Loan Fair Value   $ 17
Loans Receivable [Member] | Fair Value, Inputs, Level 3 [Member] | Residential Real Estate [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Nonrecurring [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Impaired Loan Fair Value $ 555  
Minimum [Member] | Loans Receivable [Member] | Fair Value, Inputs, Level 3 [Member] | Commercial Financial And Agricultural [Member] | Measurement Input, Comparability Adjustment [Member] | Valuation, Market Approach [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Impaired Loans Receivable, Measurement Input 0.050 0.050
Minimum [Member] | Loans Receivable [Member] | Fair Value, Inputs, Level 3 [Member] | Commercial Real Estate [Member] | Measurement Input, Comparability Adjustment [Member] | Valuation, Market Approach [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Impaired Loans Receivable, Measurement Input 0.000 0.000
Minimum [Member] | Loans Receivable [Member] | Fair Value, Inputs, Level 3 [Member] | Commercial Real Estate [Member] | Measurement Input, Cap Rate [Member] | Valuation, Income Approach [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Impaired Loans Receivable, Measurement Input 0.020 0.100
Minimum [Member] | Loans Receivable [Member] | Fair Value, Inputs, Level 3 [Member] | Commercial Real Estate [Member] | MeasurementInputCapRateMember | Valuation, Cost Approach [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Impaired Loans Receivable, Measurement Input 0.050  
Minimum [Member] | Loans Receivable [Member] | Fair Value, Inputs, Level 3 [Member] | Commercial Real Estate [Member] | Measurement Input Accumulated Depreciation | Valuation, Cost Approach [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Impaired Loans Receivable, Measurement Input 0.335  
Minimum [Member] | Loans Receivable [Member] | Fair Value, Inputs, Level 3 [Member] | Residential Real Estate [Member] | Measurement Input, Comparability Adjustment [Member] | Valuation, Market Approach [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Impaired Loans Receivable, Measurement Input 0.002 0.119
Maximum [Member] | Loans Receivable [Member] | Fair Value, Inputs, Level 3 [Member] | Commercial Financial And Agricultural [Member] | Measurement Input, Comparability Adjustment [Member] | Valuation, Market Approach [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Impaired Loans Receivable, Measurement Input 0.460 0.460
Maximum [Member] | Loans Receivable [Member] | Fair Value, Inputs, Level 3 [Member] | Commercial Real Estate [Member] | Measurement Input, Comparability Adjustment [Member] | Valuation, Market Approach [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Impaired Loans Receivable, Measurement Input 0.485 0.100
Maximum [Member] | Loans Receivable [Member] | Fair Value, Inputs, Level 3 [Member] | Commercial Real Estate [Member] | Measurement Input, Cap Rate [Member] | Valuation, Income Approach [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Impaired Loans Receivable, Measurement Input 0.100  
Maximum [Member] | Loans Receivable [Member] | Fair Value, Inputs, Level 3 [Member] | Residential Real Estate [Member] | Measurement Input, Comparability Adjustment [Member] | Valuation, Market Approach [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Impaired Loans Receivable, Measurement Input 0.270 0.389
Weighted Average [Member] | Loans Receivable [Member] | Fair Value, Inputs, Level 3 [Member] | Commercial Financial And Agricultural [Member] | Measurement Input, Comparability Adjustment [Member] | Valuation, Market Approach [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Impaired Loans Receivable, Measurement Input 0.255 0.255
Weighted Average [Member] | Loans Receivable [Member] | Fair Value, Inputs, Level 3 [Member] | Commercial Real Estate [Member] | Measurement Input, Comparability Adjustment [Member] | Valuation, Market Approach [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Impaired Loans Receivable, Measurement Input 0.169 0.038
Weighted Average [Member] | Loans Receivable [Member] | Fair Value, Inputs, Level 3 [Member] | Commercial Real Estate [Member] | Measurement Input, Cap Rate [Member] | Valuation, Income Approach [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Impaired Loans Receivable, Measurement Input 0.081 0.100
Weighted Average [Member] | Loans Receivable [Member] | Fair Value, Inputs, Level 3 [Member] | Commercial Real Estate [Member] | MeasurementInputCapRateMember | Valuation, Cost Approach [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Impaired Loans Receivable, Measurement Input 0.050  
Weighted Average [Member] | Loans Receivable [Member] | Fair Value, Inputs, Level 3 [Member] | Commercial Real Estate [Member] | Measurement Input Accumulated Depreciation | Valuation, Cost Approach [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Impaired Loans Receivable, Measurement Input 0.335  
Weighted Average [Member] | Loans Receivable [Member] | Fair Value, Inputs, Level 3 [Member] | Residential Real Estate [Member] | Measurement Input, Comparability Adjustment [Member] | Valuation, Market Approach [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Impaired Loans Receivable, Measurement Input 0.098 0.254