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Federal Home Loan Bank Advances and Other Borrowings (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2019
Dec. 31, 2019
Dec. 31, 2018
Federal Home Loan Bank Advances and Other Borrowings (Textual)      
FHLB advances $ 110,000 $ 110,000 $ 50,000
FHLB advances are secured mortgage loans 716,000 716,000 $ 5,976
FHLB stock 6,400 6,400  
Interest only line of credit 15,000 $ 15,000  
Line of credit facility, maturity date   Jun. 30, 2020  
Repayment of advance loan 25,000    
Prepayment fees on advances net $ 1,500    
Percentage of average cost of advances 3.36% 3.36%  
London Interbank Offered Rate (LIBOR) [Member]      
Federal Home Loan Bank Advances and Other Borrowings (Textual)      
Line of credit, interest rate 2.50% 2.50%  
Line of credit facility, Interest rate description   LIBOR plus 2.50