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Oil and Natural Gas Properties and Other Property and Equipment
 12 Months Ended
Dec. 31, 2020
Extractive Industries [Abstract]  
Oil and Natural Gas Properties and Other Property and Equipment Oil and Natural Gas Properties and Other Property and Equipment
Oil and Natural Gas Capitalized Costs
Aggregate capitalized costs related to oil, natural gas and NGL production activities with applicable accumulated depletion and amortization are presented below:
Year Ended December 31,
20202019
(in thousands)
Proved properties
$1,101,371 $1,361,814 
Unproved properties
311,195 313,903 
Total proved and unproved properties
1,412,566 1,675,717 
Less accumulated depletion and amortization
(235,259)(209,105)
Total proved and unproved properties, net
$1,177,307 $1,466,612 
Other Property and Equipment
Other property and equipment consisted of the following:
Year Ended December 31,
20202019
(in thousands)
Cogens, natural gas plants and pipelines
$72,999 $94,619 
Buildings and leasehold improvements
2,241 3,752 
Vehicles and service equipment
8,878 9,124 
Furniture and equipment
21,515 20,078 
Land
6,512 7,544 
Total other property and equipment
112,145 135,117 
Less: accumulated depreciation
(31,368)(25,462)
Total other property and equipment, net
$80,777 $109,655