| Document and Entity Information Document | Oct. 29, 2020 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Oct. 29, 2020 |
| Entity Registrant Name | ROGERS CORP |
| Entity Incorporation, State or Country Code | MA |
| Entity File Number | 1-4347 |
| Entity Tax Identification Number | 06-0513860 |
| Entity Address, Address Line One | 2225 W. Chandler Blvd. |
| Entity Address, City or Town | Chandler |
| Entity Address, State or Province | AZ |
| Entity Address, Postal Zip Code | 85224 |
| City Area Code | 480 |
| Local Phone Number | 917-6000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, |
| Trading Symbol | ROG |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0000084748 |
| Amendment Flag | false |
