ACCUMULATED OTHER COMPREHENSIVE INCOME (Details 2) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Before-Tax
Net change	$ (9,022)	$ (1,248)	$ 17,194	$ 808
Tax Effect
Net change	3,560	(2,352)	(9,427)	(3,215)
Net-of-Tax
Other comprehensive (loss) income	(5,462)	(3,600)	7,767	(2,407)
Available-for-Sale Investment Securities
Before-Tax
Net unrealized (losses) gains arising during the period	(6,677)	22,634	30,888	34,648
Net realized gains reclassified into net income	(1,790)	(17,036)	(8,468)	(26,994)
Net change	(8,467)	5,598	22,420	7,654
Tax Effect
Net unrealized (losses) gains arising during the period	2,808	(9,507)	(12,987)	(14,552)
Net realized gains reclassified into net income	752	7,155	3,560	11,337
Net change	3,560	(2,352)	(9,427)	(3,215)
Net-of-Tax
Net unrealized (losses) gains arising during the period	(3,869)	13,127	17,901	20,096
Net realized gains reclassified into net income	(1,038)	(9,881)	(4,908)	(15,657)
Other comprehensive (loss) income	(4,907)	3,246	12,993	4,439
Foreign Currency Translation Adjustments
Before-Tax
Net unrealized (losses) gains arising during the period	(555)	(6,846)	(5,226)	(6,846)
Net change	(555)	(6,846)	(5,226)	(6,846)
Tax Effect
Net unrealized (losses) gains arising during the period	0	0	0	0
Net change	0	0	0	0
Net-of-Tax
Net unrealized (losses) gains arising during the period	(555)	(6,846)	(5,226)	(6,846)
Net realized gains reclassified into net income	0		0	0
Other comprehensive (loss) income	$ (555)	$ (6,846)	$ (5,226)	$ (6,846)