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Summary of Significant Accounting Policies (Details)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2020
USD ($)
$ / shares
Dec. 31, 2019
USD ($)
Jun. 30, 2020
USD ($)
loan
May 31, 2020
USD ($)
loan
Jan. 01, 2019
USD ($)
Accounting Policies [Line Items]          
Number of loans with deferred payments due to COVID | loan     225    
Amount of loan principal deferred due to COVID     $ 39,800    
Amount of loan principal and interest deferred due to COVID     $ 598,800    
Total loans $ 253,772 $ 284,738      
FHLB stock sold back at par value | $ / shares $ 100        
Loans transfer to OREO $ 0        
Sale of OREO 0 0      
Real estate acquired through foreclosure $ 575 $ 705      
Federal Tax Rate 21.00% 21.00%      
Advertising and marketing related expenses $ 88 $ 107      
Lease, Practical Expedients, Package [true false] true        
Right-of-use asset $ 623 745      
Proceeds from Sale and Maturity of Available-for-sale Securities $ 26,323 $ 32,584      
ASU 2016-02          
Accounting Policies [Line Items]          
Lease liability         $ 700
Right-of-use asset         $ 700
Computer Software, Intangible Asset [Member] | Minimum          
Accounting Policies [Line Items]          
Intangible assets amortization period 3 years        
Computer Software, Intangible Asset [Member] | Maximum          
Accounting Policies [Line Items]          
Intangible assets amortization period 5 years        
Commercial SBA PPP          
Accounting Policies [Line Items]          
Total loans       $ 17,400  
Number of loans | loan       133