SHARE BASED COMPENSATION (Summary of Share Option Activity) (Detail) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Number of Common Shares
Balance at January 1, 2016	134,131
Granted	21,238
Exercised	(34,646)	(35,039)
Forfeited or expired	(3,274)
Balance at September 30, 2016	117,449
Exercisable, Common Shares	78,093
Weighted Average Exercise Share Price
Balance at January 1, 2016	$ 19.7
Granted	27.46
Exercised	15.44
Forfeited or expired	25.82
Balance at September 30, 2016	22.19
Exercisable Weighted Average Exercise Price	19.95
Weighted average fair value of options granted during the year	$ 7.75	$ 7.63
Weighted Average Contractual Remaining Life(Years)
Balance at end of period	3 years 8 months 12 days
Exercisable at end of period	2 years 7 months 6 days
Balance at January 1, 2016	$ 974
Exercised	430
Balance at September 30, 2016	974
Exercisable, Intrinsic Value	$ 831