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Investment Securities (Unrealized Gains and Losses by Category) (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Debt Securities, Available-for-sale [Abstract]    
Amortized Cost $ 98,962 $ 39,732
Unrealized Loss 3,400 210
Fair Value 95,562 39,522
CMOs issued by US Government-sponsored agencies    
Debt Securities, Available-for-sale [Abstract]    
Amortized Cost 500  
Unrealized Loss 1  
Fair Value 499  
FNMA and FHLMC certificates    
Debt Securities, Available-for-sale [Abstract]    
Amortized Cost 93,440 34,628
Unrealized Loss 3,200 32
Fair Value 90,240 34,596
Debt Securities, Held-to-maturity, Maturity [Abstract]    
Amortized Cost 367,507  
Unrealized Loss 3,854  
Fair Value 363,653  
GNMA Securities    
Debt Securities, Available-for-sale [Abstract]    
Amortized Cost 5,022 5,104
Unrealized Loss 199 178
Fair Value $ 4,823 $ 4,926