FAIR VALUE MEASUREMENTS - Summary of the Valuation of the Company's Financial Assets and Liabilities that were Accounted for at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Assets (Liabilities)
Derivative liability	$ (3,136)
Total	(3,136)	$ 3,931
Fair value on a recurring basis
Assets (Liabilities)
Total	(3,136)	3,931
Fair value on a recurring basis | Natural gas basis swaps
Assets (Liabilities)
Derivative liability	(3,136)	3,931
Fair value on a recurring basis | Level 1
Assets (Liabilities)
Total	0	0
Fair value on a recurring basis | Level 1 | Natural gas basis swaps
Assets (Liabilities)
Derivative liability	0	0
Fair value on a recurring basis | Level 2
Assets (Liabilities)
Total	(3,136)	3,931
Fair value on a recurring basis | Level 2 | Natural gas basis swaps
Assets (Liabilities)
Derivative liability	(3,136)	3,931
Fair value on a recurring basis | Level 3
Assets (Liabilities)
Total	0	0
Fair value on a recurring basis | Level 3 | Natural gas basis swaps
Assets (Liabilities)
Derivative liability	$ 0	$ 0