| Cover | Aug. 27, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Aug. 27, 2024 |
| Entity File Number | 001-14124 |
| Entity Registrant Name | MILLER INDUSTRIES, INC. |
| Entity Central Index Key | 0000924822 |
| Entity Tax Identification Number | 62-1566286 |
| Entity Incorporation, State or Country Code | TN |
| Entity Address, Address Line One | 8503 Hilltop Drive |
| Entity Address, City or Town | Ooltewah |
| Entity Address, State or Province | TN |
| Entity Address, Postal Zip Code | 37363 |
| City Area Code | 423 |
| Local Phone Number | 238-4171 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, par value $0.01 per share |
| Trading Symbol | MLR |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
