STOCKHOLDERS’ EQUITY (Restricted Stock Activity) (Details) - $ / shares	9 Months Ended	12 Months Ended
Sep. 30, 2019	Dec. 31, 2018
Restricted Stock Shares
Restricted stock outstanding, ending balance	1,790,622
Restricted Stock
Restricted Stock Shares
Restricted stock outstanding, beginning balance	3,872,877	3,059,065
Restricted stock granted	1,236,621	2,380,100
Restricted stock issued	(1,400,344)	(889,769)
Restricted stock forfeited	(530,744)	(676,519)
Restricted stock outstanding, ending balance	3,178,410	3,872,877
Weighted Average Fair Value
Weighted average price - Restricted stock outstanding, beginning balance	$ 11.63	$ 7.60
Weighted average price - Restricted stock granted	9.19	11.59
Weighted average price - Restricted stock issued	11.20	12.16
Weighted average price - Restricted stock forfeited	3.13	4.05
Weighted average price - Restricted stock outstanding, ending balance	$ 11.26	$ 11.63

Restricted stock issued

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- Definition

Restricted Stock [Abstract]

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Weighted Average Fair Value [Abstract]

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- Definition

Weighted average price - Restricted stock issued.

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No definition available.

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- Definition

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

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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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 weighted average fair value at grant date for nonvested equity-based awards issued 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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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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- Definition

Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

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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 (c)(1)(ii)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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