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Commitments and Contingencies (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Guarantee commitment $ 2,475  
Probable loan loss experience on unfunded obligations [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Estimate of possible loss 250  
Commitments to extend credit    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Commitments to extend credit 349,244 $ 326,179
Undisbursed lines of credit    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Commitments to extend credit $ 337,815 314,774
Undisbursed lines of credit | Minimum    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Commitments to extend credit, term of agreement one  
Undisbursed lines of credit | Maximum    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Commitments to extend credit, term of agreement 12 months  
Undisbursed portions of construction loans    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Commitments to extend credit $ 74,665 79,669
Standby letters of credit and financial guarantees    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Commitments to extend credit $ 11,429 $ 11,405
Standby letters of credit and financial guarantees | Maximum    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Commitments to extend credit, term of agreement one year