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BORROWINGS (Short-Term Borrowings) (Parenthetical) (Details)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Federal Home Loan Bank of Indianapolis Notes, 0.58%, Due June 28, 2016    
Debt Instrument [Line Items]    
Federal Home Loan Bank, Advances, Branch Of Fhlb Bank, Interest Rate   0.58%
Federal Home Loan Bank Advances Branch Of Fhlb Bank Due Dates   Jun. 28, 2016
Federal Home Loan Bank of Indianapolis Notes, 0.89%, Due June 28, 2017    
Debt Instrument [Line Items]    
Federal Home Loan Bank, Advances, Branch Of Fhlb Bank, Interest Rate 0.89%  
Federal Home Loan Bank Advances Branch Of Fhlb Bank Due Dates Jun. 28, 2017