ACCUMULATED OTHER COMPREHENSIVE LOSS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance			$ (13,046)
Net current period other comprehensive loss	(37,148)	28,906	(34,208)	28,096
Ending Balance	(46,768)		(46,768)
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax	200	4,600	500	4,600
Tax effect of amounts reclassified related to unrealized gains on available-for-sale securities	400	3	1,200	3
Foreign Currency Translation Adjustment
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(15,282)	(37,302)	(20,352)	(25,073)
Other comprehensive income before reclassifications, net of tax provision related to unrealized gains on available-for-sale securities	(36,428)	13,976	(31,358)	1,747
Amounts reclassified related to unrealized losses on available-for-sale securities, net of tax	0	0	0	0
Net current period other comprehensive loss	(36,428)	13,976	(31,358)	1,747
Ending Balance	(51,710)	(23,326)	(51,710)	(23,326)
Unrealized Gains (Losses)On Available-For-Sale Securities
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	5,376	5,115	7,306	(7,096)
Other comprehensive income before reclassifications, net of tax provision related to unrealized gains on available-for-sale securities	231	16,899	(439)	19,691
Amounts reclassified related to unrealized losses on available-for-sale securities, net of tax	(665)	(5,313)	(1,925)	4,106
Net current period other comprehensive loss	(434)	11,586	(2,364)	23,797
Ending Balance	4,942	16,701	4,942	16,701
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(9,906)	(32,187)	(13,046)	(32,169)
Other comprehensive income before reclassifications, net of tax provision related to unrealized gains on available-for-sale securities	(36,197)	30,875	(31,797)	21,438
Amounts reclassified related to unrealized losses on available-for-sale securities, net of tax	(665)	(5,313)	(1,925)	4,106
Net current period other comprehensive loss	(36,862)	25,562	(33,722)	25,544
Ending Balance	$ (46,768)	$ (6,625)	$ (46,768)	$ (6,625)