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Fair Value Disclosures In Text Tagging (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Long-term Debt, Fair Value $ 194,900 $ 135,084
Long-term Debt $ 178,475 $ 135,256