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Summary of Significant Accounting Policies (Details Textual)
 3 Months Ended
Mar. 31, 2021
USD ($)
Segment
shares
Dec. 31, 2020
shares
Summary of Significant Accounting Policies (Additional Textual) [Abstract]    
Operating segments of business | Segment 2  
Common stock, shares authorized and available for issuance | shares 50,000,000 50,000,000
Common stock, shares outstanding | shares 28,236,691  
Allowance for credit losses related to investment portfolio $ 0  
Fees waived $ 780,000  
Percentage of decrease in net interest margin 0.17%  
ASU 2017-04    
Summary of Significant Accounting Policies (Additional Textual) [Abstract]    
Change in Accounting Principle, Accounting Standards Update, Adopted [true false] true  
Change in Accounting Principle, Accounting Standards Update, Adoption Date Jan. 01, 2020  
Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false] true  
ASU 2016-13    
Summary of Significant Accounting Policies (Additional Textual) [Abstract]    
Change in Accounting Principle, Accounting Standards Update, Adopted [true false] true  
ASU 2016-13 | Minimum    
Summary of Significant Accounting Policies (Additional Textual) [Abstract]    
Increase in allowance for credit losses $ 1,900  
ASU 2016-13 | Maximum    
Summary of Significant Accounting Policies (Additional Textual) [Abstract]    
Increase in allowance for credit losses $ 2,500