Quarterly report pursuant to Section 13 or 15(d)

Real Estate Activity (Details)

v3.19.1
Real Estate Activity (Details)
$ in Millions
 1 Months Ended 3 Months Ended
Jan. 31, 2019
USD ($)
Mar. 31, 2019
USD ($)
a
$ / a
Mar. 31, 2018
USD ($)
a
$ / a
Real Estate Properties [Line Items]      
Area of real estate property, sold (acre)   21,251 120
Proceeds from sale of real estate | $ $ 100.0 $ 103.6 $ 2.8
Average sale price (in dollars per acre) | $ / a   4,876 22,917
Additions (acre)   11,702  
Additions | $   $ 47.2 $ 0.8
Average purchase price (in dollars per acre) | $ / a   4,033 1,171
Loving county      
Real Estate Properties [Line Items]      
Area of real estate property, sold (acre)   13,180 40
Culberson county      
Real Estate Properties [Line Items]      
Area of real estate property, sold (acre)   5,598 80
Hudspeth county      
Real Estate Properties [Line Items]      
Area of real estate property, sold (acre)   1,651  
Reeves county      
Real Estate Properties [Line Items]      
Area of real estate property, sold (acre)   822  
Upton county      
Real Estate Properties [Line Items]      
Additions (acre)     641