Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

v3.10.0.1
Document and Entity Information - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Feb. 15, 2019
Jun. 29, 2018
Document And Entity Information [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2018    
Document Fiscal Year Focus 2018    
Document Fiscal Period Focus FY    
Trading Symbol TELL    
Entity Registrant Name TELLURIAN INC. /DE/    
Entity Central Index Key 0000061398    
Current Fiscal Year End Date --12-31    
Entity Filer Category Large Accelerated Filer    
Entity Emerging Growth Company false    
Entity Small Business false    
Entity Shell Company false    
Entity Voluntary Filers No    
Entity Common Stock, Shares Outstanding   240,460,607  
Entity Public Float     $ 766,390
Entity Well Known Seasoned Issuer Yes    
Entity Current Reporting Status Yes