LOANS - INSIDER LOANS (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2016	Dec. 31, 2015	Sep. 30, 2016	Jun. 30, 2016	Jun. 30, 2015
Activity in insider loans granted to the entity's executive officers and directors, including their families and firms
Loans outstanding, beginning of period	$ 6,887	$ 8,789
Net activity on revolving lines of credit	1,720	778
Repayment	(2,269)	(2,680)
Loans outstanding, end of period	6,338	6,887
Loans outstanding	6,887	8,789	$ 6,338
Bank
Activity in insider loans granted to the entity's executive officers and directors, including their families and firms
Unfunded commitments			$ 1,694
Bank | Substandard (6)
Activity in insider loans granted to the entity's executive officers and directors, including their families and firms
Loans outstanding, beginning of period	0
Loans outstanding, end of period		0
Loans outstanding	$ 0	$ 0		$ 0	$ 0