| Cover | Jun. 30, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jun. 30, 2021 |
| Entity File Number | 001-37839 |
| Entity Registrant Name | TPI Composites, Inc. |
| Entity Central Index Key | 0001455684 |
| Entity Tax Identification Number | 20-1590775 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 8501 N. Scottsdale Rd, Gainey Center II, Suite 100 |
| Entity Address, City or Town | Scottsdale |
| Entity Address, State or Province | AZ |
| Entity Address, Postal Zip Code | 85253 |
| City Area Code | 480 |
| Local Phone Number | 305-8910 |
| 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 |
| Trading Symbol | TPIC |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
