XML 88 R103.htm IDEA: XBRL DOCUMENT v2.4.1.9
Commitments and Contingencies (Leases) (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Operating Leased Assets [Line Items]      
Operating leases $ 2,716,000us-gaap_LeaseAndRentalExpense $ 2,634,000us-gaap_LeaseAndRentalExpense $ 2,655,000us-gaap_LeaseAndRentalExpense
Capital lease 743,000us-gaap_RepaymentsOfLongTermCapitalLeaseObligations 1,233,000us-gaap_RepaymentsOfLongTermCapitalLeaseObligations 1,627,000us-gaap_RepaymentsOfLongTermCapitalLeaseObligations
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]      
Operating leases due in 2015 2,329,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent    
Operating leases due in 2016 1,631,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears    
Operating leases due in 2017 1,112,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears    
Operating leases due in 2018 827,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears    
Operating leases due in 2019 108,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears    
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]      
Capital leases due in 2015 743,000us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent    
Capital leases due in 2016 743,000us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears    
Capital leases due in 2017 743,000us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears    
Capital leases due in 2018 743,000us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears    
Capital leases due in 2019 743,000us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears    
Operating leases, future minimum payments due 6,080,000us-gaap_OperatingLeasesFutureMinimumPaymentsDue    
Capital leases, future minimum payments due 4,827,000us-gaap_CapitalLeasesFutureMinimumPaymentsDue    
Minimum [Member]      
Operating Leased Assets [Line Items]      
Operating lease period 1 year    
Maximum [Member]      
Operating Leased Assets [Line Items]      
Operating lease period 5 years    
Rogers Innovation Center [Member]      
Operating Leased Assets [Line Items]      
Operating lease period 3 years    
Lease payment amount 10,000us-gaap_OperatingLeasesRentExpenseNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= rog_RogersInnovationCenterMember
   
Rogers Innovation Center [Member] | Research Funding [Member]      
Operating Leased Assets [Line Items]      
Funding commitment $ 500,000us-gaap_OtherCommitment
/ us-gaap_OtherCommitmentsAxis
= us-gaap_ResearchAndDevelopmentArrangementMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= rog_RogersInnovationCenterMember