Texas Pacific Land Corporation Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Adoption of ASU 2017-07 (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating income	$ 62,959	$ 49,306	$ 182,945	$ 108,575
Other income		18		31
As reported in prior year
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating income		39,071		85,907
Other income		20		39
Retrospective Adjustment \| Accounting Standards Update 2017-07
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating income		10,235		22,668
Other income		$ (2)		$ (8)