| Document and Entity Information | Mar. 10, 2021 |
| Cover [Abstract] | |
| Entity Registrant Name | FRANK'S INTERNATIONAL N.V. |
| Amendment Flag | false |
| Entity Central Index Key | 0001575828 |
| Document Type | 8-K |
| Document Period End Date | Mar. 10, 2021 |
| Entity Incorporation State Country Code | P7 |
| Entity File Number | 001-36053 |
| Entity Tax Identification Number | 98-1107145 |
| Entity Address, Address Line One | Mastenmakersweg 1 |
| Entity Address, Postal Zip Code | 1786 PB |
| Entity Address, City or Town | Den Helder |
| Entity Address, Country | NL |
| City Area Code | 22 |
| Local Phone Number | 367 0000 |
| Written Communications | true |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common Stock, €0.01 par value |
| Trading Symbol | FI |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
