ASSET RETIREMENT OBLIGATIONS (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Changes in the Company's asset retirement obligations
Beginning asset retirement obligations				$ 41,959
Liabilities incurred during period				1,291
Liabilities settled during period				(1,168)
Divestitures during period				(4,302)
Accretion expense		$ 517	$ 511	1,060	$ 1,011
Ending asset retirement obligations		38,840		38,840
Less: current asset retirement obligations	[1]	(448)		(448)
Long-term asset retirement obligations		$ 38,392		$ 38,392		$ 41,689

[1] Included in accrued liabilities in the Company’s interim unaudited condensed consolidated balance sheet at June 30, 2022.