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(FHLB and FRB Stocks) (Details 7) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Investments, Debt and Equity Securities [Abstract]    
Federal Home Loan Bank Stock $ 15,000 $ 13,000
Federal Reserve Bank Stock 21,198 21,093
Total $ 36,198 $ 34,093