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Related Party Transactions - Additional Information (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Related Party Transactions [Abstract]    
Notes payable - related party $ 6,496us-gaap_NotesPayableRelatedPartiesClassifiedCurrent $ 6,496us-gaap_NotesPayableRelatedPartiesClassifiedCurrent