PREMISES AND EQUIPMENT (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	$ 47,422		$ 47,422		$ 41,742
Less accumulated depreciation	(18,549)		(18,549)		(17,740)
Total	28,873		28,873		24,002
Depreciation	424	$ 509	1,378	$ 1,558
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	28,613		28,613		23,598
Furniture, fixtures and equipment
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	$ 10,352		$ 10,352		$ 10,484