| Document and Entity Information | Mar. 11, 2021 |
| Cover [Abstract] | |
| Entity Registrant Name | MYERS INDUSTRIES INC |
| Entity Address, State or Province | OH |
| Amendment Flag | false |
| Entity Central Index Key | 0000069488 |
| Document Type | 8-K |
| Document Period End Date | Mar. 11, 2021 |
| Entity Incorporation State Country Code | OH |
| Entity File Number | 001-8524 |
| Entity Tax Identification Number | 34-0778636 |
| Entity Address, Address Line One | 1293 South Main Street |
| Entity Address, City or Town | Akron |
| Entity Address, Postal Zip Code | 44301 |
| City Area Code | (330) |
| Local Phone Number | 253-5592 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common Stock, without par value |
| Trading Symbol | MYE |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
