SHARE-BASED COMPENSATION (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014
Restricted Stock Units
Award activity
Outstanding at the beginning of the period (in shares)	1,443,460
Granted (in shares)	750
Vested (in shares)	(6,821)
Forfeited (in shares)	(18,898)
Outstanding at the end of the period (in shares)	1,418,491
Stock Options
Stock options activity
Outstanding at the beginning of the period (in shares)	35,730
Exercised (in shares)	(35,530)
Forfeited (in shares)	(200)
Weighted-Average Exercise Price
Outstanding at the beginning of the period (in dollars per share)	$ 29.10
Exercised (in dollars per share)	$ 29.10
Forfeited (in dollars per share)	$ 29.10
Intrinsic Value
Options outstanding (in dollars)	$ 0
Weighted-Average Remaining Contractual Term
Options outstanding	0 years
SARs
Award activity
Granted (in shares)	0