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Deposits, Summary of Deposits (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Summary of Deposits [Abstract]    
NOW account and other demand deposits $ 15,237 $ 9,768
Non-interest bearing demand deposits 47,269 27,090
Money market deposits 60,281 23,589
Passbook 64,127 47,042
Certificates of deposit 128,716 190,235
Total 315,630 297,724
Brokered deposits 15,100 0
Reciprocal Deposits from CDARS [Member]    
Summary of Deposits [Abstract]    
Aggregate amount of certificates of deposits in excess of insured limits 35,800 39,300
One-Way Deposits from CDARS [Member]    
Summary of Deposits [Abstract]    
Aggregate amount of certificates of deposits in excess of insured limits $ 9,600 $ 40,700