PREMISES AND EQUIPMENT (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Premises and equipment
Gross premises and equipment	$ 34,951	$ 34,387
Accumulated depreciation	(9,870)	(8,112)
Net premises and equipment	25,081	26,275
Depreciation expense	2,000	2,000	$ 1,200
Land
Premises and equipment
Gross premises and equipment	3,965	3,965
Buildings and improvements
Premises and equipment
Gross premises and equipment	16,906	16,389
Furniture, fixtures and equipment
Premises and equipment
Gross premises and equipment	12,127	10,980
Construction in progress
Premises and equipment
Gross premises and equipment	608	1,375
Leasehold improvements
Premises and equipment
Gross premises and equipment	$ 1,345	$ 1,678