GOODWILL AND INTANGIBLE ASSETS - Acquired Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Other Intangible Assets
Balance at beginning of period	$ 1,360
Amortization	204	$ 17
Balance at end of period	1,156	1,360
Core deposit intangible
Other Intangible Assets
Balance at beginning of period	1,360
Additions		1,377
Amortization	204	17
Balance at end of period		1,360
Gross Carrying Amount	$ 1,156
Accumulated Amortization		$ 1,360