VARIABLE INTEREST ENTITIES (VIEs) (Narrative) (Details) $ in Thousands	Mar. 31, 2020 USD ($) item	Dec. 31, 2019 USD ($)
Variable Interest Entity [Line Items]
Number of commercial pools	6
Number of joint ventures	2
Accounts receivable, net, current \| $	$ 104,094	$ 83,845
Variable Interest Entity, Not Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Number of commercial pools	2
Number of joint ventures	2
Accounts receivable, net, current \| $	$ 26,778

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Name Accounting Standards Codification
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-Section 45
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