DEPOSITS - Narrative (Details) $ in Millions	Dec. 31, 2017 USD ($)
Banking and Thrift [Abstract]
Time deposits of $100,000 or more	$ 11,366

Amount of time deposit liabilities, including certificates of deposit, in denominations of $100,000 or more.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Industry Guide
-Number 3
-Section V
-Paragraph D-E