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Debt Obligations (Details 1) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Debt Instrument    
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months $ 1,859us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths  
Long-term Debt, Maturities, Repayments of Principal in Year Two 2,015us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo  
Long-term Debt, Maturities, Repayments of Principal in Year Three 16,293us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree  
Long-term Debt, Maturities, Repayments of Principal in Year Four 0us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour  
Long-term Debt, Maturities, Repayments of Principal in Year Five 0us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive  
Long-term Debt, Maturities, Repayments of Principal after Year Five 87,500us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive  
Long-term Debt, Gross 107,667us-gaap_LongTermDebt  
Long-term Debt, Current Maturities 20,167us-gaap_LongTermDebtCurrent 1,710us-gaap_LongTermDebtCurrent
Long-term Debt, Excluding Current Maturities $ 87,500us-gaap_LongTermDebtNoncurrent $ 20,167us-gaap_LongTermDebtNoncurrent