This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents investments accounted for under the cost method of accounting as of the balance sheet date.

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This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents investments accounted for under the equity method of accounting as of the balance sheet date.

+ References+ Details

Fair Value Measurements (Details 2) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2012 Senior secured debt	Jun. 30, 2012 Senior Notes	May 30, 2012 Senior Notes	Jun. 30, 2012 Carrying Value	Dec. 31, 2011 Carrying Value	Jun. 30, 2012 Fair Value	Dec. 31, 2011 Fair Value
Fair Value Measurements
Investments, equity basis					$ 49,453	$ 48,282
Investments, at cost					47,933	47,809
Long-term debt		$ 875,600	$ 298,100		$ 1,173,655	$ 880,000	$ 1,173,655	$ 880,000
Interest rate (as a percent)			10.875%	10.875%
Repricing option, variable rate basis	one month LIBOR