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EARNINGS PER SHARE - NARRATIVE (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2021 shares	Sep. 30, 2020 shares	Sep. 30, 2021 shares	Sep. 30, 2020 shares
STOCK-BASED COMPENSATION
Antidilutive securities excluded from EPS calculation (in shares)	115,448	549,967	81,142	427,857
LTIP | Minimum | Performance stock units
STOCK-BASED COMPENSATION
Ratio at which award holders get common stock of the company			0
LTIP | Maximum | Performance stock units
STOCK-BASED COMPENSATION
Ratio at which award holders get common stock of the company			2

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+ References

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- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

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