Oil and Gas Production (Details)	Mar. 31, 2018 well
Extractive Industries [Abstract]
Number of DUC wells	209

The total number of oil and gas wells that have been drilled by no yet completed, where the trust has royalty interest.

No definition available.

Name:	tpl_NumberOfOilAndGasWells
Namespace Prefix:	tpl_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant