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Fair Value - Narrative (Details)
12 Months Ended
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
loan
Dec. 31, 2023
USD ($)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Other real estate carried at fair value less cost to sell $ 0 $ 0  
Other real estate, adjustments to carrying value less costs to sell charged to earnings 0 0  
Fair Value, Measurements, Recurring      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Securities 1,657,394,000 1,517,287,000  
Significant Unobservable  Inputs (Level 3) | Fair Value, Measurements, Recurring      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Securities 0 0  
Obligations of State and Political Subdivisions | Fair Value, Measurements, Recurring      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Securities 497,606,000 $ 463,169,000  
Number of security | loan   1  
Financial instruments, owned, at fair value   $ 62,000  
Obligations of State and Political Subdivisions | Significant Unobservable  Inputs (Level 3) | Fair Value, Measurements, Recurring      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Securities 0 0  
MBS/CMO | Fair Value, Measurements, Recurring      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Securities 719,542,000 $ 702,179,000  
Number of security | loan   1  
Financial instruments, owned, at fair value   $ 1,053,000  
MBS/CMO | Significant Unobservable  Inputs (Level 3) | Fair Value, Measurements, Recurring      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Securities 0 0  
Losses from other changes in fair value included in other comprehensive income 0 56,000  
Loans Held-for-Sale      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Gain (losses) from changes in fair value included in earnings $ 29,000 $ 27,000 $ (25,000)