v3.10.0.1

SHARE-BASED COMPENSATION - RSUs with Market Conditions (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended		12 Months Ended
	Dec. 31, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Share-based Compensation Restricted Stock Units With Market Conditions [Line Items]
RSUs issued		1,284,050
Reconciliation Of RSUs With Market Conditions [Abstract]
RSUs beginning		4,285,290
Number of RSUs granted		1,284,050
Number of RSUs forfeited		(339,317)
Number of RSUs vested		(1,492,544)
RSUs ending	4,285,290	3,737,479		4,285,290
Net RSUs increase (decrease) to APIC	$ 4,938	$ 11,421	$ 4,629
Restricted Stock Units With Market Conditions [Member]
Share-based Compensation Restricted Stock Units With Market Conditions [Line Items]
RSUs issued		0		70,000
Reconciliation Of RSUs With Market Conditions [Abstract]
RSUs beginning		650,000	630,000	630,000
Number of RSUs granted		0		70,000
Number of RSUs forfeited		(110,000)		0
Number of RSUs vested		(314,000)		(50,000)
RSUs ending	650,000	226,000		650,000
Fair value of each RSU issued with market conditions		$ 0		$ 9.81

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(3)
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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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-Publisher FASB
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Per share weighted average intrinsic value of equity-based compensation awards granted. Excludes stock and unit options.

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

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Value of stock related to Restricted Stock Awards issued during the period, net of the stock value of such awards forfeited.

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