XML 17 R1.htm IDEA: XBRL DOCUMENT v3.20.4
Cover Page - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Feb. 17, 2021
Jun. 30, 2020
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2020    
Current Fiscal Year End Date --12-31    
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 Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Public Float     $ 424.6
Entity Common Stock, Shares Outstanding   226,578,254  
Documents Incorporated by Reference Portions of the Proxy Statement in connection with the 2021 Annual Meeting of Stockholders, to be filed no later than 120 days after the end of the fiscal year to which this Form 10-K relates, are incorporated by reference into Part III of this Form 10-K.    
Entity Central Index Key 0001575828    
Document Fiscal Year Focus 2020    
Document Fiscal Period Focus FY    
Amendment Flag false