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Equity Investment In Unconsolidated Subsidiary (Summarized Financial Information) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Equity Investment In Unconsolidated Subsidiary [Abstract]
Current assets	$ 4,245	$ 4,061
Noncurrent assets	13,741	9,523
Current liabilities	8,167	4,393
Noncurrent liabilities	$ 2,142	$ 3,230

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