Quarterly report pursuant to Section 13 or 15(d)

Real Estate Activity (Details)

v3.20.2
Real Estate Activity (Details)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2020
USD ($)
Sep. 30, 2019
USD ($)
Sep. 30, 2020
USD ($)
a
$ / a
Sep. 30, 2019
USD ($)
a
$ / a
Real Estate Properties [Line Items]        
Revenues $ 74,383 $ 98,530 $ 228,250 $ 377,164
Land sales        
Real Estate Properties [Line Items]        
Revenues $ 11,463 $ 4,621 $ 15,855 $ 113,020
Culberson, Hudspeth, Loving, Pecos and Reeves Counties        
Real Estate Properties [Line Items]        
Area of real estate property, sold (acre) | a     21,347  
Proceeds from sale of real estate     $ 14,500  
Average sale price (in dollars per acre) | $ / a     676  
Culberson, Hudspeth, Loving, Pecos and Reeves Counties | Land sales        
Real Estate Properties [Line Items]        
Revenues     $ 1,400  
Culberson, Glasscock, Hudspeth, Loving, Midland and Reeves Counties        
Real Estate Properties [Line Items]        
Area of real estate property, sold (acre) | a       21,986
Proceeds from sale of real estate       $ 113,000
Average sale price (in dollars per acre) | $ / a       5,141
Culberson and Reeves counties        
Real Estate Properties [Line Items]        
Additions (acre) | a     756  
Additions     $ 3,900  
Average purchase price (in dollars per acre) | $ / a     5,134  
Culberson, Glasscock, Loving and Reeves Counties        
Real Estate Properties [Line Items]        
Additions (acre) | a       21,671
Additions       $ 74,400
Average purchase price (in dollars per acre) | $ / a       3,434