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CASH FLOW INFORMATION - Stock-Based Compensation (Details) - 2015 EIP Plan - USD ($) $ / shares in Units, $ in Thousands								12 Months Ended
	May 13, 2021	May 04, 2021	Feb. 23, 2021	Jul. 15, 2020	Feb. 25, 2020	May 15, 2019	Mar. 04, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Restricted Stock Units
Non-cash investing and financing activities
Granted (in shares)	33,525,000	18,428	103,599	42,642	173,749	29,580	106,079	159,492	221,903	140,914
Aggregate fair value	$ 515	$ 300	$ 1,027	$ 255	$ 1,227	$ 255	$ 890
Stock Options
Non-cash investing and financing activities
Aggregate fair value			$ 513		$ 693		$ 904
Options to purchase (in shares)			118,552		344,568		240,540	118,552	344,568	240,540
Exercise price			$ 9.91		$ 7.06		$ 8.065	$ 9.91	$ 7.06	$ 8.33

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- Definition

Represents the aggregate fair value of grants made during the period on other than stock (or unit) option plans.

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- Definition

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

Gross number of share options (or share units) granted during the period.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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