PROPERTY AND EQUIPMENT PROPERTY AND EQUIPMENT (Details) (USD $)	3 Months Ended	11 Months Ended	12 Months Ended
	Jun. 30, 1997	Dec. 31, 2010	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Depreciation		$ 5,379,000	$ 8,513,000	$ 6,591,000
Computer and office equipment, gross			14,443,000	15,684,000
Capitalized Computer Software, Gross			9,939,000	15,520,000
Vehicles, gross			1,540,000	1,701,000
Medical equipment, gross			16,466,000	14,698,000
Construction in Progress, Gross			4,315,000	2,813,000
Furniture and Fixtures, Gross			3,219,000	3,626,000
Leasehold Improvements, Gross			7,164,000	6,507,000
Property, Plant and Equipment, Gross			57,086,000	60,549,000
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment			(33,365,000)	(33,598,000)
Property, Plant and Equipment, Net			23,721,000	26,951,000
Capitalized Computer Software, Amortization		800,000	1,300,000	800,000
Impairment of Long-Lived Assets to be Disposed of	5,800,000
Software and Software Development Costs [Member]
Property, Plant and Equipment [Line Items]
Construction in Progress, Gross			$ 1,300,000	$ 2,000,000