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(FHLB and FRB Stocks) (Details 7) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Investments, Debt and Equity Securities [Abstract]    
Federal Home Loan Bank Stock $ 14,000 $ 15,000
Federal Reserve Bank Stock 21,093 20,858
Total $ 35,093 $ 35,858