Quarterly report pursuant to Section 13 or 15(d)

OTHER BORROWED FUNDS, Federal Reserve Bank Borrowings (Details)

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OTHER BORROWED FUNDS, Federal Reserve Bank Borrowings (Details) - Federal Reserve Bank Borrowings [Member] - USD ($)
$ in Millions
Sep. 30, 2018
Dec. 31, 2017
Debt instruments [Abstract]    
Borrowings outstanding $ 0.0 $ 0.0
Unused borrowing capacity 18.4 11.0
Commercial and mortgage loans pledged to the Federal Reserve Bank $ 20.2 $ 13.2