Annual report pursuant to Section 13 and 15(d)

Cover

v3.20.1
Cover - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Apr. 28, 2020
Jun. 28, 2019
Cover [Abstract]      
Document Type 10-K/A    
Amendment Flag false    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Dec. 31, 2019    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2019    
Current Fiscal Year End Date --12-31    
Entity File Number 001-5507    
Entity Registrant Name Tellurian Inc.    
Entity Central Index Key 0000061398    
Entity Tax Identification Number 06-0842255    
Entity Incorporation, State or Country Code DE    
Entity Address, Address Line One 1201 Louisiana Street    
Entity Address, Address Line Two Suite 3100    
Entity Address, City or Town Houston    
Entity Address, State or Province TX    
Entity Address, Postal Zip Code 77002    
City Area Code 832    
Local Phone Number 962-4000    
Title of 12(b) Security Common stock, par value $0.01 per share    
Trading Symbol TELL    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Public Float     $ 736,016
Entity Common Stock, Shares Outstanding   257,835,259