PROPERTY AND EQUIPMENT (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Less - Accumulated depreciation	$ (60,208)	$ (52,582)
Total property and equipment	53,337	60,807
Depreciation expense	10,520	11,933	$ 12,622
Land [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	2,346	2,346
Buildings and Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	16,724	16,259
Furniture, Fixtures and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 94,475	$ 94,784