STOCK BASED AND OTHER COMPENSATION PLANS - Nonvested Shares Outstanding (Details) - shares	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Restricted Stock
Number of Shares Nonvested Other than Options [Roll Forward]
Nonvested/Outstanding (in shares)			1,118,194	1,252,365
Granted (in shares)			1,556,682	28,936
Vested (in shares)			(1,116,901)	(138,216)
Forfeited (in shares)			(8,702)	(26,061)
Nonvested/Outstanding (in shares)	1,549,273	1,117,024	1,549,273	1,117,024
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward]
Nonvested/Outstanding (in shares)			982,135	982,135
Granted (in shares)	0	0	12,073	0
Exercised (in shares)			0	0
Forfeited (in shares)			0	0
Expired (in shares)			0	0
Nonvested/Outstanding (in shares)	994,208	982,135	994,208	982,135
Exercisable (in shares)	994,208	929,701	994,208	929,701

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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Number of non-vested options forfeited.

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Number of share options (or share units) exercised during the current period.

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