Cover - USD ($)	12 Months Ended
	Dec. 31, 2020	Feb. 12, 2021	Jun. 30, 2020
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2020
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	1-4347
Entity Registrant Name	ROGERS CORP
Entity Incorporation, State or Country Code	MA
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	85224-6155
City Area Code	480
Local Phone Number	917-6000
Title of 12(b) Security	Common Stock,
Entity Trading Symbol	ROG
Security Exchange Name	NYSE
Entity Well-known Season Filer	Yes
Entity Voluntary Filer	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 2,301,662,539
Entity Common Stock, Shares Outstanding		18,699,801
Documents Incorporated by Reference	Portions of Rogers’ Definitive Proxy Statement for its 2020 Annual Meeting of Shareholders, currently scheduled for May 5, 2021, are incorporated by reference into Part III of this Form 10-K
Entity Central Index Key	0000084748
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY
Amendment Flag	false