SHARE-BASED AWARDS AND STOCK OPTIONS - Share-Based Awards Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 34,983	$ 16,496	$ 62,805	$ 27,914
Share-Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of share-based awards vested			76,000	24,600
Share-based compensation expense	30,800	$ 14,800	56,000	$ 24,900
Compensation not yet recognized	$ 184,200		$ 184,200
Weighted-average period of unrecognized compensation cost			2 years 3 months 18 days

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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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