STOCK-BASED COMPENSATION (Details) $ in Millions		3 Months Ended	6 Months Ended
Aug. 14, 2019	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)
STOCK-BASED COMPENSATION
Stock based compensation expense		$ 1.3	$ 1.3	$ 2.5	$ 2.4
Stock conversion ratio	1.795431	1.795431	1.795431	1.795431	1.795431

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-Publisher FASB
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