BORROWINGS (Long-Term Borrowings) (Parenthetical) (Details) - Federal Home Loan Bank of Indianapolis Notes, 6.15%, Due January 16, 2018	12 Months Ended
Dec. 31, 2017
Debt Instrument [Line Items]
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Interest Rate	6.15%
Federal Home Loan Bank Advances Branch Of FHLB Bank Due Dates	Jan. 16, 2018

Discloses the single interest rate [if] applicable to the advances from the Federal Home Loan Bank, by branch, as of the Balance Sheet date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822

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