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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Other Current Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Accounting Policies [Abstract]
Pipe and well equipment inventory	$ 44,738	$ 34,819
Production tax refunds receivable	13,852	11,156
Prepaid expenses	2,187	2,455
Prepaid drilling costs	0	4,265
Accrued proceeds from sale of natural gas and oil properties	0	3,118
Other	0	511
Other current assets	$ 60,777	$ 56,324

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