GOODWILL AND OTHER INTANGIBLE ASSETS - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	$ 42,171	$ 42,171
Finite-Lived Intangible Assets [Line Items]
Amortization expense	1,106	1,106	$ 1,106
Core deposit intangibles
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 1,100	$ 1,100	$ 1,100