Annual report pursuant to Section 13 and 15(d)

PROPERTY AND EQUIPMENT - Narrative (Details)

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PROPERTY AND EQUIPMENT - Narrative (Details)
$ in Thousands
 3 Months Ended 5 Months Ended 7 Months Ended 12 Months Ended
Jun. 30, 2021
USD ($)
May 17, 2021
USD ($)
usd_per_mcf
Dec. 31, 2021
USD ($)
usd_per_mcf
Dec. 31, 2020
USD ($)
usd_per_mcf
Dec. 31, 2019
USD ($)
usd_per_mcf
Property, Plant and Equipment [Line Items]          
Impairment of oil and natural gas properties $ 117,800 $ 0 $ 117,813 $ 1,357,099 $ 2,039,770
Capitalized general and administrative costs   $ 8,000 $ 11,900 $ 25,000 $ 30,100
Depletion per Mcf of gas equivalent (usd per Mcfe) | usd_per_mcf   0.45 0.69 0.61 1.08
Capitalized costs of oil and natural gas properties excluded from amortization     $ 211,007    
Non producing leases extension term       5 years  
Minimum          
Property, Plant and Equipment [Line Items]          
Expected number of years amortization will commence       3 years  
Maximum          
Property, Plant and Equipment [Line Items]          
Expected number of years amortization will commence       5 years