Shareholders' Equity and Equity Compensation (Shares of Capital Stock Reserved) (Details) - shares shares in Thousands	Dec. 31, 2016	Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock shares reserved for future issuance (in shares)	1,997,257	2,200,047
Rogers Corporation Stock acquisition program (shares)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock shares reserved for future issuance (in shares)	120,883	120,883
Stock options and restricted stock (shares)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock shares reserved for future issuance (in shares)	659,302	641,265
Rogers Corporation 2009 Long-Term Equity Compensation Plan (shares)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock shares reserved for future issuance (in shares)	892,163	1,078,291
Rogers Employee and Investment Plan (shares)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock shares reserved for future issuance (in shares)	169,044	169,044
Rogers Corporation Global Stock Ownership Plan for Employees (shares)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock shares reserved for future issuance (in shares)	133,113	153,357
Deferred compensation to be paid in stock, including deferred stock units (shares)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock shares reserved for future issuance (in shares)	22,752	37,207