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Short-Term Borrowings - Narrative (Details) - USD ($)
12 Months Ended
Apr. 03, 2019
Dec. 31, 2022
Dec. 31, 2021
Short-term Borrowings      
Federal funds available from correspondent banks   $ 264,100,000  
Minimum      
Short-term Borrowings      
Federal funds maturity term   1 day  
Maximum      
Short-term Borrowings      
Federal funds maturity term   90 days  
US Bank Loan Agreement      
Short-term Borrowings      
Debt term 1 year    
Line of credit facility, maximum borrowing capacity   $ 30,000,000  
FHLB Advances      
Short-term Borrowings      
Long-term borrowings reclassified to short-term based on maturity date   0 $ 15,000,000
FHLB Advances | Matured Debt      
Short-term Borrowings      
Long-term borrowings reclassified to short-term based on maturity date   $ 55,000,000 $ 70,000,000