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Securities (Contractual Maturity) (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Available-for-Sale, Amortized Cost    
Due in one year or less $ 2,703  
Due in one year through five years 6,654  
Due in five through ten years 49,213  
Due in over ten years 134,204  
Amortized cost 192,774 $ 179,581
Available-for-Sale, Estimated Fair Value    
Due in one year or less 2,740  
Due in one year through five years 6,793  
Due in five through ten years 49,790  
Due in over ten years 134,733  
Estimated fair value 194,056 183,925
Held-to-Maturity, Amortized Cost    
Due in one year or less 3,630  
Due in one year through five years 7,973  
Due in five through ten years 8,022  
Due in over ten years 1,571  
Amortized cost 21,196 26,374
Held-to-Maturity, Estimated Fair Value    
Due in one year or less 3,647  
Due in one year through five years 8,083  
Due in five through ten years 8,452  
Due in over ten years 1,643  
Estimated Fair Value $ 21,825 $ 27,333