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ASSET RETIREMENT OBLIGATIONS AND RESTRICTED CASH (Tables)

12 Months Ended

Dec. 31, 2021

Asset Retirement Obligation Disclosure [Abstract]

Schedule of Change in Asset Retirement Obligation

The following table summarizes the Company’s asset retirement obligations:

			December 31, 2021						December 31, 2020
Asset retirement obligation, beginning of period			$	13,038					$	18,972
Revision of estimate			(235)						(7,845)
Disposal of non-core obligations			(269)						—
Accretion of liabilities			1,284						1,911
Settlements			(131)						—
Asset retirement obligation, end of period			$	13,687					$	13,038
Asset retirement obligation:
Current			$	27					$	131
Non-current			13,660						12,907
Asset retirement obligation, end of period			$	13,687					$	13,038

Schedule of Restricted Cash and Cash Equivalents

The following table summarizes the Company’s restricted cash:

			December 31, 2021						December 31, 2020
Restricted cash, beginning of period			$	20,817					$	20,081
Additional collateral posted			48						768
Refunds of collateral			(560)						(32)
Restricted cash, end of period			$	20,305					$	20,817

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- Definition

Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation.

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Tabular disclosure of cash and cash equivalents restricted as to withdrawal or usage.

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