STOCKHOLDERS' EQUITY (Details 5) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Statement
Balance at beginning of period	$ (33,940)	$ (12,414)
Period Change	32,423	(9,181)
Balance at end of period	(1,517)	(21,595)
Unrealized gain (loss) on investment securities available-for-sale
Statement
Balance at beginning of period	(34,848)	(13,927)
Period Change	33,314	(8,356)
Balance at end of period	(1,534)	(22,283)
Foreign exchange translation adjustment
Statement
Balance at beginning of period	900	1,664
Period Change	(900)	(736)
Balance at end of period		928
Unrealized gain (loss) on other asset investment
Statement
Balance at beginning of period	8	(151)
Period Change	9	(89)
Balance at end of period	$ 17	$ (240)