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Investments in Non-Consolidated Affiliates (Details 1) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Summarized balance sheet information for investees accounted for by the equity method
Current assets	$ 928	$ 1,200
Non-current assets	23,700	24,421
Current liabilities, including current debt	71,512	101,463
Long-term debt payable	873	1,203
Other non-current liabilities	29,055	29,665
Owners' deficit	$ (76,812)	$ (106,710)

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