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Notes Payable - Summary of Aggregate Annual Payments of Principal Required to Revolving Credit Facility (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Long Term Debt By Maturity [Abstract]    
During the twelve months ended December 30, 2015 $ 883us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths  
During the twelve months ended December 30, 2016 234us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo  
During the twelve months ended December 31, 2017 0us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree  
During the twelve months ended December 31, 2018 34,500us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour  
Payments/Long term debt, Total $ 35,617us-gaap_LongTermDebt $ 41,475us-gaap_LongTermDebt