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SHARE-BASED COMPENSATION - Narrative (Details) - Omnibus Incentive Plan 2014 - USD ($) | Apr. 30, 2018 | Dec. 31, 2019 | May 31, 2014
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Components and classification of share-based compensation expense |  |  |
Total number of shares approved for grant by the Company under the share-based compensation plans (in shares) |  |  | 18,000,000
Shares reserved for future issuance (in shares) |  |  | 20,000,000
Number of additional shares available for issuance (in shares) | 11,900,000 |  |
Number of shares available for future grants (in shares) |  | 9,864,000 |
Nonemployee Director |  |  |
Components and classification of share-based compensation expense |  |  |
Aggregate fair market value on awards granted during any calendar year | $ 750,000 |  |

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- Definition Aggregate number of common shares reserved for future issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Number of additional shares authorized for issuance under share-based payment arrangement. + References No definition available. + Details
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- Definition Number of shares authorized for issuance under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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