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Fair Value Disclosures; Derivative Instruments (Details 1) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Derivatives not designated as hedging instruments under Statement 133 Interest Rate Contracts Interest Rate Contracts
Balance Sheet Location Accrued Liabilities Accrued Liabilities
Fair Value $ 60,000 $ 128,000