v2.4.0.8
Document and Entity Information (USD $)
In Billions, except Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Jun. 30, 2014
Feb. 26, 2015
Share Capital - Ordinary Shares [Member]
Feb. 26, 2015
Non-Voting Convertible Ordinary Shares [Member]
Document Information [Line Items]        
Document Type 10-K      
Amendment Flag false      
Document Period End Date Dec. 31, 2014      
Document Fiscal Year Focus 2014      
Document Fiscal Period Focus FY      
Trading Symbol ESGR      
Entity Registrant Name Enstar Group LTD      
Entity Central Index Key 0001363829      
Current Fiscal Year End Date --12-31      
Entity Well-known Seasoned Issuer Yes      
Entity Current Reporting Status Yes      
Entity Voluntary Filers No      
Entity Filer Category Large Accelerated Filer      
Entity Common Stock, Shares Outstanding     15,804,012 3,439,652
Entity Public Float   $ 1.15