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Cover Page - shares
 9 Months Ended
Sep. 30, 2019
Oct. 31, 2019
Cover page.    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2019  
Document Transition Report false  
Entity File Number 001-36053  
Entity Registrant Name FRANK'S INTERNATIONAL N.V.  
Entity Incorporation, State or Country Code P7  
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  
Title of 12(b) Security Common Stock, €0.01 par value  
Trading Symbol FI  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding (in shares)   225,503,348
Entity Central Index Key 0001575828  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q3  
Amendment Flag false