| Document and Entity Information | Nov. 13, 2023 |
| Cover [Abstract] | |
| Entity Registrant Name | Drilling Tools International Corp |
| Amendment Flag | false |
| Entity Central Index Key | 0001884516 |
| Document Type | 8-K |
| Document Period End Date | Nov. 13, 2023 |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-41103 |
| Entity Tax Identification Number | 87-2488708 |
| Entity Address, Address Line One | 3701 Briarpark Drive |
| Entity Address, Address Line Two | Suite 150 |
| Entity Address, City or Town | Houston |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 77042 |
| City Area Code | (832) |
| Local Phone Number | 742-8500 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common Stock, par value $0.0001 per share |
| Trading Symbol | DTI |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
