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OIL AND NATURAL GAS PROPERTIES (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2022
USD ($)
$ / bbl
$ / MMBTU
Dec. 31, 2021
USD ($)
$ / bbl
$ / MMBTU
OIL AND NATURAL GAS PROPERTIES    
Subject to depletion $ 713,585 $ 569,886
Incurred in 2022 1,427  
Incurred in 2021 1,427 1,427
Incurred in 2020 983 983
Incurred in 2019 58,784 61,895
Total not subject to depletion 62,621 64,305
Gross oil and natural gas properties 776,206 634,191
Less - accumulated depletion (390,796) (339,776)
Net oil and natural gas properties $ 385,410 294,415
Maximum discount percentage of estimated future net revenues for full cost ceiling limitation 10.00%  
Depletion expense $ 51,000 $ 44,600
Ceiling Limitation Disclosures    
First day average of the (WTI) crude oil spot price (in dollars per barrel) | $ / bbl 94.14 66.55
First day average of the Henry Hub natural gas price (in dollars per Mmbtu) | $ / MMBTU 6.36 3.60