v3.19.1
Borrowed Funds - Schedule of Borrowings (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Oct. 01, 2017
Jul. 30, 2016
Nov. 24, 2015
Debt Instrument [Line Items]          
Total - Federal funds purchased $ 2,000 $ 0      
Total - FHLB advances 2,000 $ 2,000      
Interest        
Less: Unamortized debt issuance costs (169) $ (201)      
Total - Other borrowed funds 15,393 17,361      
FHLB advance due March 25, 2019          
Debt Instrument [Line Items]          
Total - FHLB advances $ 2,000 $ 2,000      
Interest 4.26% 4.26%      
Senior Notes | Senior promissory note due July 31, 2019          
Debt Instrument [Line Items]          
Interest 0.00% 5.50% 5.50% 5.00%  
Long-term debt, gross $ 0 $ 2,000      
Junior Subordinated Debt | Junior subordinated debentures due June 15, 2036          
Debt Instrument [Line Items]          
Interest 4.68% 3.56%      
Long-term debt, gross $ 2,062 $ 2,062      
Senior Subordinated Notes | Other subordinated notes due December 1, 2025          
Debt Instrument [Line Items]          
Interest 6.95% 6.95%     6.95%
Long-term debt, gross $ 13,500 $ 13,500      
Pacific Coast Bankers Bank | Line of Credit          
Debt Instrument [Line Items]          
Total - Federal funds purchased $ 2,000 $ 0      
Interest 3.28% 0.00%