XML 32 R21.htm IDEA: XBRL DOCUMENT v3.20.2
Real Estate Activity (Tables)
9 Months Ended
Sep. 30, 2020
Real Estate [Abstract]  
Schedule of Real Estate Properties
As of September 30, 2020 and December 31, 2019, the Trust owned the following land and real estate (in thousands, except number of acres):

September 30, 2020December 31, 2019
Number of AcresNet Book ValueNumber of AcresNet Book Value
Land (surface rights)823,485 $— 849,856 $— 
Real estate acquired57,850 109,733 51,931 107,075 
Total real estate situated in 19 counties in Texas
881,335 $109,733 901,787 $107,075