SHARE BASED COMPENSATION (Summary of Share Option Activity) (Detail) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Number of Common Shares
Balance at January 1, 2016	134,131
Granted	21,238
Exercised	(28,941)	(26,695)
Forfeited or expired	(1,060)
Balance at June 31, 2016	125,368
Exercisable, Common Shares	83,798
Weighted Average Exercise Share Price
Balance at January 1, 2016	$ 19.7
Granted	27.46
Exercised	14.58
Forfeited or expired	25.06
Balance at June 30, 2016	22.15
Exercisable Weighted Average Exercise Price	19.93
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 10 months 24 days
Exercisable at end of period	2 years 9 months 18 days
Balance at January 1, 2016	$ 974
Exercised	371
Balance at June 30, 2016	853
Exercisable, Intrinsic Value	$ 765