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Borrowed Funds - Subordinated Debt (Details) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Sep. 30, 2021
Nov. 30, 2020
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Mar. 31, 2007
Subordinated Debt            
Balance at end of year     $ 73,540 $ 73,286    
Interest expense on borrowed funds     3,219 3,072 $ 2,188  
Subordinated Debt            
Subordinated Debt            
Balance at end of year     73,540 73,286    
Average balance during the year     73,415 73,159    
Maximum month-end balance     $ 73,540 $ 73,286    
Weighted-average rate during the year     4.38% 4.20%    
Weighted-average rate at December 31     4.02% 3.97%    
Face amount of debt issued $ 30,000 $ 40,000        
Term of debt instrument 10 years 10 years        
Interest rate on debt security 3.25% 4.25%        
Interest expense on borrowed funds     $ 3,200 $ 3,100 $ 2,200  
Subordinated Debt | Subordinated Debentures            
Subordinated Debt            
Face amount of debt issued           $ 4,000
Subordinated Debt | SOFR            
Subordinated Debt            
Variable rate basis spread 2.54% 4.01%        
Subordinated Debt | SOFR | Subordinated Debentures            
Subordinated Debt            
Variable rate basis spread     0.26%