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CASH FLOW INFORMATION - Stock-Based Compensation (Details) - 2015 EIP Plan - USD ($) $ / shares in Units, $ in Thousands					6 Months Ended
	May 13, 2021	May 04, 2021	Feb. 23, 2021	Feb. 25, 2020	Jun. 30, 2021
Restricted Stock Units
Non-cash investing and financing activities
Granted (in shares)	33,525	18,428	103,599	173,749	156,445
Aggregate fair value	$ 515	$ 300	$ 1,027	$ 1,227
Stock Options
Non-cash investing and financing activities
Options to purchase (in shares)			118,552	344,568	118,552
Exercise price			$ 9.91	$ 7.06	$ 9.91
Aggregate fair value			$ 513	$ 693

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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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