Document and Entity Information |
12 Months Ended |
|---|---|
Dec. 31, 2025 | |
| Document and Entity Information | |
| Document Type | 11-K |
| Entity Registrant Name | Mayville Engineering Company, Inc. |
| Entity Central Index Key | 0001766368 |
| Amendment Flag | false |
| Mayville Engineering Company, Inc. 401(k) Plan | |
| Document and Entity Information | |
| Document Type | 11-K |
| Entity Tax Identification Number | 39-0944729 |
| Amendment Flag | false |