PROPERTY, EQUIPMENT AND FACILITIES (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Property, equipment and facilities net [Abstract]
Property, equipment and facilities, Gross	$ 274,127,000	$ 291,930,000
Less accumulated depreciation and amortization	(146,795,000)	(137,834,000)
Property, equipment and facilities, Net	127,332,000	154,096,000
Depreciation and amortization expense	23,300,000	26,400,000	26,300,000
Long Lived Assets Held-for-sale [Line Items]
Assets held for sale	6,310,000
Land [Member]
Long Lived Assets Held-for-sale [Line Items]
Assets held for sale	800,000
Buildings and Improvements [Member]
Long Lived Assets Held-for-sale [Line Items]
Assets held for sale	5,510,000
Land [Member]
Property, equipment and facilities net [Abstract]
Property, equipment and facilities, Gross	17,562,000	18,363,000
Buildings and Improvements [Member]
Property, equipment and facilities net [Abstract]
Property, equipment and facilities, Gross	178,089,000	192,990,000
Capital leased assets, gross	26,800,000	26,800,000
Capital leased assets, accumulated depreciation	8,800,000	7,000,000
Capitalized interest cost	600,000	600,000
Accumulated depreciation on capitalized interest cost	400,000	400,000
Buildings and Improvements [Member] | Minimum [Member]
Property, equipment and facilities net [Abstract]
Useful life (years)	1 year
Buildings and Improvements [Member] | Maximum [Member]
Property, equipment and facilities net [Abstract]
Useful life (years)	25 years
Equipment, Furniture and Fixtures [Member]
Property, equipment and facilities net [Abstract]
Property, equipment and facilities, Gross	76,769,000	79,172,000
Capital leased assets, gross	400,000	600,000
Capital leased assets, accumulated depreciation	400,000	600,000
Equipment, Furniture and Fixtures [Member] | Minimum [Member]
Property, equipment and facilities net [Abstract]
Useful life (years)	1 year
Equipment, Furniture and Fixtures [Member] | Maximum [Member]
Property, equipment and facilities net [Abstract]
Useful life (years)	7 years
Vehicles [Member]
Property, equipment and facilities net [Abstract]
Useful life (years)	3 years
Property, equipment and facilities, Gross	1,282,000	1,231,000
Construction in Progress [Member]
Property, equipment and facilities net [Abstract]
Property, equipment and facilities, Gross	$ 425,000	$ 174,000