INTEREST RATE SWAPS - INTEREST EXPENSE (Details) - Interest rate swap - Cash flow hedge - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Information about derivatives and swaps      
Interest expense on deposits related to money market swap transaction $ 168 $ 198 $ 201
Interest expense on FHLB Advances related to FHLB swap transaction 164 204 223
Total interest expense on swap transaction $ 332 $ 402 $ 424