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Debt - Schedule of Aggregate Annual Maturities of Capital Lease Obligations (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Debt Instrument [Line Items]    
Revolving Credit, Maturity, Total $ 113,164us-gaap_LongTermDebt $ 765us-gaap_LongTermDebt
Capital Leases, Future Minimum Payments Due, 2015 937us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent  
Capital Leases, Future Minimum Payments Due, 2016 507us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears  
Capital Leases, Future Minimum Payments Due, 2017 211us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears  
Capital Leases, Future Minimum Payments Due, 2018 3us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears  
Capital Leases, Future Minimum Payments Due, 2019 0us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears  
Capital Leases, Future Minimum Payments Due, Total 1,658us-gaap_CapitalLeasesFutureMinimumPaymentsDue  
Capital Leases, Interest Included in Payments (138)us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments  
Capital Leases, Present Value of Net Minimum Payments 1,520us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments  
Revolving Credit Agreement    
Debt Instrument [Line Items]    
Revolving Credit, Maturity, 2015 27,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember
 
Revolving Credit, Maturity, 2016 18,750us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember
 
Revolving Credit, Maturity, 2017 18,750us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember
 
Revolving Credit, Maturity, 2018 18,750us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember
 
Revolving Credit, Maturity, 2019 56,250us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember
 
Revolving Credit, Maturity, Total $ 139,500us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember