PREMISES AND EQUIPMENT (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	$ 47,499		$ 47,499		$ 41,742
Less accumulated depreciation	(18,321)		(18,321)		(17,740)
Total	29,178		29,178		24,002
Depreciation	453	$ 515	955	$ 1,048
Land
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	8,457		8,457		7,660
Buildings and improvements
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	28,563		28,563		23,598
Furniture, fixtures and equipment
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	$ 10,479		$ 10,479		$ 10,484