Annual report pursuant to Section 13 and 15(d)

Property and Equipment - Summary of Oil and Gas Properties Not Subject to Amortization (Details)

v3.20.4
Property and Equipment - Summary of Oil and Gas Properties Not Subject to Amortization (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Property, Plant and Equipment [Line Items]        
Acquisition costs $ 18,485 $ 8,067 $ 98,876 $ 1,330,895
Acquisition costs, total 1,456,323      
Exploration costs 0 0 0 0
Exploration costs, total 0      
Development costs 0 0 0 0
Development costs, total 0      
Capitalized interest 0 121 172 427
Capitalized interest, total 720      
Total oil and natural gas properties not subject to amortization 18,485 8,188 $ 99,048 $ 1,331,322
Total oil and natural gas properties not subject to amortization, total 1,457,043 $ 1,686,666    
Utica        
Property, Plant and Equipment [Line Items]        
Total oil and natural gas properties not subject to amortization, total 793,441      
SCOOP        
Property, Plant and Equipment [Line Items]        
Total oil and natural gas properties not subject to amortization, total 662,614      
Other        
Property, Plant and Equipment [Line Items]        
Total oil and natural gas properties not subject to amortization, total $ 988