SHARE CAPITAL (Options Granted to Employees) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash proceeds from exercise of options	$ 1,230	$ 277	$ 501
Options And Restricted Stock Granted To Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Beginning Balance	6,141,030	6,367,979	5,366,729
Granted			1,444,000
Forfeited and Expired	25,858	44,856	13,441
Exercised	861,593	182,093	429,309
Ending Balance	5,253,579	6,141,030	6,367,979
Exercisable at end of year	4,258,441	4,647,834	4,267,850
Weighted Average Exercise Price, Beginning Balance	$ 3.563	$ 3.576	$ 2.476
Granted			$ 7.076
Forfeited and Expired	$ 4.372	$ 6.207	$ 3.551
Exercised	$ 1.346	$ 1.652	$ 1.602
Exercisable at end of year	$ 3.201	$ 2.581	$ 2.183
Weighted Average Exercise Price, Ending Balance	$ 3.923	$ 3.563	$ 3.576
Intrinsic value of options exercised	4,800	1,300	3,100
Cash proceeds from exercise of options	$ 1,200