INVESTMENTS IN DEBT AND EQUITY SECURITIES (Gross Realized Gains and Losses) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Gain (Loss) on Investments [Line Items]
Gross realized gains on sales of available-for-sale securities	$ 994	$ 0	$ 10,191	$ 2,010
Gross realized losses on sales of available-for-sale securities	(126)	0	(2,122)	(730)
Other-than-temporary impairment	0	(1)	0	(2)
Net realized gain (loss) on investment securities	868	(1)	8,069	1,278
Provision (benefit) for income taxes on net realized gain (loss) on investment securities	$ 357	$ (1)	$ 3,322	$ 526