| Cover | Feb. 02, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Feb. 2, 2021 |
| Entity File Number | 001-16767 |
| Entity Registrant Name | WESTERN NEW ENGLAND BANCORP, INC. |
| Entity Central Index Key | 0001157647 |
| Entity Tax Identification Number | 73-1627673 |
| Entity Incorporation, State or Country Code | MA |
| Entity Address, Address Line One | 141 Elm Street |
| Entity Address, City or Town | Westfield |
| Entity Address, State or Province | MA |
| Entity Address, Postal Zip Code | 01085 |
| City Area Code | (413) |
| Local Phone Number | 568-1911 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, $0.01 par value per share |
| Trading Symbol | WNEB |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
