EARNINGS PER SHARE - Schedule of Antidilutive and Contingently Issuable Shares (Details) - shares shares in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Antidilutive awards excluded from diluted EPS (in shares)	4,000
Total stock-based awards excluded from diluted EPS		4,057
Convertible Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based awards excluded from diluted EPS	42,900	2,900
Performance-based restricted stock awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contingently issuable awards excluded from diluted EPS (in shares)		0
Performance-based restricted stock awards with a market condition
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contingently issuable awards excluded from diluted EPS (in shares)		315
Time-based options and restricted stock awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Antidilutive awards excluded from diluted EPS (in shares)		3,206
Performance-based restricted stock awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Antidilutive awards excluded from diluted EPS (in shares)		536

Contingently Issuable Securities Excluded from Computation of Earnings Per Share, Amount

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- Definition

Securities Excluded from Computation of Diluted Earnings Per Share, Amount

+ References

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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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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