Shareholders Equity and Stock Options (Shares of Capital Stock Reserved) (Details) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance	2,646,425	3,494,897
Stock aquisition program [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance	120,883	120,883
Stock options and restricted stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance	2,025,286	2,892,809
Rogers Employee and Investment Savings Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance	249,490	205,908
Rogers Corporation Global Stock Ownership Plan for Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance	201,676	227,050
Deferred compensation to be paid in stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance	49,090	48,247