v3.19.3.a.u2
Cover
Feb. 11, 2020
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Feb. 11, 2020
Entity File Number 001-35167
Entity Registrant Name KOSMOS ENERGY LTD.
Entity Central Index Key 0001509991
Entity Tax Identification Number 98-0686001
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 8176 Park Lane
Entity Address, City or Town Dallas
Entity Address, State or Province TX
Entity Address, Postal Zip Code 75231
City Area Code 214
Local Phone Number 445-9600
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, $0.01 Par Value
Trading Symbol KOS
Security Exchange Name NYSE
Entity Emerging Growth Company false