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CAPITAL STOCK - Summary of Restricted Stock Activity (Details) - Restricted Shares - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Restricted Shares
Beginning balance (in shares)	795,587	593,341	326,545
Grants (in shares)	220,658	534,940	439,747
Vested (in shares)	(586,244)	(322,398)	(148,414)
Cancellations (in shares)	(400)	(10,296)	(24,537)
Ending balance (in shares)	429,601	795,587	593,341
Weighted- average grant date fair value
Beginning balance (usd per share)	$ 7.54	$ 10.70	$ 14.63
Grants (usd per share)	14.27	5.94	9.25
Vested (usd per share)	7.19	10.64	14.54
Cancellations (usd per share)	11.42	9.06	13.97
Ending balance (usd per share)	$ 11.47	$ 7.54	$ 10.70
Total unrecognized compensation expense remaining (in thousands)	$ 3,678
Weighted-average years expected to be recognized over	1 year 7 months 6 days

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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