v3.10.0.1

SHARE-BASED COMPENSATION - RSUs with Market Conditions (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Share-based Compensation Restricted Stock Units With Market Conditions [Line Items]
RSUs issued	1,292,000	3,064,000	1,123,000
RSUs issued, Amount	$ 10,078	$ 35,628	$ 10,381
Reconciliation Of RSUs With Market Conditions [Abstract]
RSUs beginning	4,285,000
Number of RSUs granted	1,292,000	3,064,000	1,123,000
Number of RSUs forfeited	(396,000)	(379,000)	(27,000)
Number of RSUs vested	(1,496,000)	(474,000)	(611,000)
RSUs ending	3,685,000	4,285,000
Net RSUs increase (decrease) to APIC	$ 15,149	$ 9,567	$ 6,539
Fair value of each RSU issued with market conditions	$ 9.71	$ 13.42	$ 9.24
Average fair value of performance condition RSUs issued	$ 11.07	$ 10.76	$ 9.3
Restricted Stock Units With Market Conditions [Member]
Share-based Compensation Restricted Stock Units With Market Conditions [Line Items]
RSUs issued	0	70,000	470,000
Reconciliation Of RSUs With Market Conditions [Abstract]
RSUs beginning	650,000	630,000	390,000
Number of RSUs granted	0	70,000	470,000
Number of RSUs forfeited		0	0
Number of RSUs vested	(314,000)	(50,000)	(230,000)
RSUs ending	226,000	650,000	630,000
RSUs forfeited	$ 0	$ 0	$ 0
Fair value of each RSU issued with market conditions	$ 0	$ 9.81	$ 7.34
Restricted Stock Units With Market Conditions [Member] | Maximum [Member]
Reconciliation Of RSUs With Market Conditions [Abstract]
RSUs beginning	0
RSUs ending		0
Restricted Stock Units With Service Conditions [Member]
Reconciliation Of RSUs With Market Conditions [Abstract]
Number of RSUs forfeited	(396,000)	(379,000)	(27,000)
RSUs forfeited	$ (1,228)	$ (1,117)	$ (280)
Restricted Stock Units With Performance Conditions [Member]
Share-based Compensation Restricted Stock Units With Market Conditions [Line Items]
RSUs issued	0	0	0
Reconciliation Of RSUs With Market Conditions [Abstract]
RSUs beginning	0	0	29,000
Number of RSUs granted	0	0	0
Number of RSUs forfeited	0	0	(29,000)
Number of RSUs vested	0	0	0
RSUs ending	0	0	0
Fair value of each RSU issued with market conditions	$ 0	$ 0	$ 0

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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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Per share weighted average intrinsic value of equity-based compensation awards granted. Excludes stock and unit options.

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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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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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Value of stock related to Restricted Stock Awards forfeited during the period.

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Aggregate value of stock related to Restricted Stock Awards issued during the 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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