PROPERTY, EQUIPMENT AND FACILITIES (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($) Property	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Property, equipment and facilities net [Abstract]
Property, equipment and facilities, Gross	$ 216,812	$ 212,597
Less accumulated depreciation and amortization	(163,946)	(157,152)
Property, equipment and facilities, Net	52,866	55,445
Depreciation and amortization expense	8,700	11,000	$ 10,200
Land [Member]
Property, equipment and facilities net [Abstract]
Property, equipment and facilities, Gross	6,969	6,969
Buildings and Improvements [Member]
Property, equipment and facilities net [Abstract]
Property, equipment and facilities, Gross	$ 127,027	124,826
Buildings and Improvements [Member] | Minimum [Member]
Property, equipment and facilities net [Abstract]
Useful life	1 year
Buildings and Improvements [Member] | Maximum [Member]
Property, equipment and facilities net [Abstract]
Useful life	25 years
Equipment, Furniture and Fixtures [Member]
Property, equipment and facilities net [Abstract]
Property, equipment and facilities, Gross	$ 81,772	79,029
Equipment, Furniture and Fixtures [Member] | Minimum [Member]
Property, equipment and facilities net [Abstract]
Useful life	1 year
Equipment, Furniture and Fixtures [Member] | Maximum [Member]
Property, equipment and facilities net [Abstract]
Useful life	7 years
Vehicles [Member]
Property, equipment and facilities net [Abstract]
Useful life	3 years
Property, equipment and facilities, Gross	$ 883	848
Construction in Progress [Member]
Property, equipment and facilities net [Abstract]
Property, equipment and facilities, Gross	$ 161	$ 925
West Palm Beach Property [Member]
Long Lived Assets Held-for-sale [Line Items]
Number of properties sold | Property	2