PREMISES AND EQUIPMENT (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
PREMISES AND EQUIPMENT
Land	$ 7,980	$ 7,951
Building and improvements	15,368	15,272
Furniture, fixtures and equipment	21,464	20,295
Leasehold improvements	12,271	13,562
Premises and equipment, gross	57,083	57,080
Accumulated depreciation and amortization	(23,578)	(21,817)
Total premises and equipment, net	$ 33,505	$ 35,263