Annual report pursuant to Section 13 and 15(d)

Document And Entity Information

Document And Entity Information - USD ($)
12 Months Ended
Dec. 31, 2017
Jun. 30, 2017
Document Information [Line Items]    
Entity Registrant Name TEXAS PACIFIC LAND TRUST  
Entity Central Index Key 0000097517  
Trading Symbol tpl  
Current Fiscal Year End Date --12-31  
Entity Filer Category Large Accelerated Filer  
Entity Current Reporting Status Yes  
Entity Voluntary Filers No  
Entity Well-known Seasoned Issuer Yes  
Entity Common Stock, Shares Outstanding (in shares) 7,821,599  
Entity Public Float   $ 2,279,209,327
Document Type 10-K  
Document Period End Date Dec. 31, 2017  
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus FY  
Amendment Flag false