STOCKHOLDERS' EQUITY (Details 4) (USD $) Share data in Thousands, unless otherwise specified					3 Months Ended
	Mar. 31, 2012	Dec. 31, 2011	Mar. 31, 2011	Dec. 31, 2010	Mar. 31, 2012 Stock Options	Mar. 31, 2011 Stock Options	Mar. 31, 2012 Restricted Stock Awards	Mar. 31, 2011 Restricted Stock Awards
Antidilutive Securities Excluded from Computation of Earnings Per Share
Excluded from the computation of diluted EPS (in shares)					396	911	3	118
Accumulated other comprehensive income (loss)	$ (16,878,000)	$ (33,940,000)	$ (10,155,000)	$ (12,414,000)
Accumulated Other Comprehensive (Loss)/Income
Net unrealized loss on securities available for sale	(17,800,000)		(10,900,000)
Foreign exchange translation adjustment	$ 918,000		$ 781,000