NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES Property and Equipment (Details) (USD $) In Thousands, unless otherwise specified			12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011 Land, Buildings and Improvements years	Dec. 31, 2011 Plant Assets [Member] years	Dec. 31, 2011 Furniture and Fixtures years	Dec. 31, 2011 Computer Equipment years	Dec. 31, 2011 Construction in Progress
Property, Plant and Equipment [Line Items]
Estimated useful lives of property and equipment, minimum			15	5
Estimated useful lives of property and equipment, maximum				20
Estimated useful lives of property and equipment					7	3
Property and equipment, net	$ 108,844	$ 12,590					$ 105,000