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, 2017
Dec. 31, 2016
Debt Instrument [Line Items]    
Borrowings outstanding $ 0.0 $ 0.0
Unused borrowing capacity 12.6 18.1
Commercial and mortgage loans pledged to the Federal Reserve Bank $ 15.1 $ 20.7