SHARE-BASED COMPENSATION - RSUs with Market Conditions (Details) (USD $) In Thousands, except Share data, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Share-based Compensation Restricted Stock Units With Market Conditions [Line Items]
RSUs issued	675,113
Reconciliation Of RSUs With Market Conditions [Abstract]
RSUs beginning	1,030,486
Number of RSUs granted	675,113
Number of RSUs forfeited	(41,325)
Number of RSUs vested	(289,403)
RSUs ending	1,374,871	1,030,486
Net RSUs increase (decrease) to APIC	$ 3,751	$ 4,270
Restricted Stock Units With Market Conditions [Member]
Share-based Compensation Restricted Stock Units With Market Conditions [Line Items]
RSUs issued	290,000	0
Reconciliation Of RSUs With Market Conditions [Abstract]
RSUs beginning	0
Number of RSUs granted	290,000	0
Number of RSUs forfeited	0	(200,000)
Number of RSUs vested	0	0
RSUs ending	290,000	0
Fair value of each RSU issued with market conditions	$ 6.90	$ 0
Restricted Stock Units With Performance Conditions [Member]
Reconciliation Of RSUs With Market Conditions [Abstract]
Fair value of each RSU issued with market conditions	$ 9.60