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Related Party Transactions (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Loans and Leases Receivable, Related Parties [Roll Forward]      
Related party extensions of credit, beginning of period $ 19,463 $ 16,832  
New loans and advances on lines of credit 1 6,425  
Repayments (1,686) (3,794)  
Increase (decrease) due to changes in related parties 20,038 0  
Related party extensions of credit, end of period 37,816 19,463 $ 16,832
Due to Related Parties [Abstract]      
Balances of related party deposits 20,900 16,600  
Director Who is Shareholder in Law Firm [Member] | Law Firm [Member]      
Related Parties Transactions [Abstract]      
Legal fees 1,100 1,100 1,100
Expenses 100 100 100
Total payment to related party $ 1,200 $ 1,200 $ 1,200