EMPLOYEE COMPENSATION PLANS (OPTIONS ROLLFORWARD TABLE) (DETAILS) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($) $ / shares shares
Stock Option Rollforward by Shares
Outstanding as of December 31, 2013, shares | shares	1,151,999
Exercises, shares | shares	(894,168)
Post-vest cancellations/expirations, shares | shares	(16,667)
Outstanding as of December 31, 2014, shares | shares	241,164
Vested and exercisable as of December 31, 2014, shares | shares	107,831
Stock Option Rollforward by Weighted Average Exercise Price
Outstanding as of December 31, 2013, weighted average exercise price | $ / shares	$ 13.67
Exercises, weighted average exercise price | $ / shares	11.59
Post-vest cancellations/expirations, weighted average exercise price | $ / shares	17.31
Outstanding as of December 31, 2014, weighted average exercise price | $ / shares	21.11
Vested and exercisable as of December 31, 2014, weighted average exercise price | $ / shares	$ 25.80
Weighted Average Contract Term In Years [Abstract]
Outstanding as of December 31, 2014, weighted average remaining contract term in years	3 years 11 months 9 days
Vested and exercisable as of December 31, 2014, weighted average remaining contract term in years	1 year 6 months 15 days
Aggregate Intrinsic Value [Abstract]
Intrinsic Value of Options Exercised | $	$ 13,894
Outstanding as of December 31, 2014, aggregate intrinsic value | $	1,641
Vested and exercisable as of December 31, 2014, aggregate intrinsic value | $	$ 228