INTEREST AND OTHER INCOME (EXPENSE), NET (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Interest and other income (expense), net
Interest and other (expense) income	$ 1,911	$ (1,358)	$ 177
Interest expense	(2,208)	(4,130)	(7,028)
Foreign exchange transaction gains	2,256	363	6,033
Total	$ 1,959	$ (5,125)	$ (818)