STOCKHOLDERS' EQUITY (Details 5) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Amounts reclassified out of each component of accumulated other comprehensive income (loss)
Non-interest income	$ 14,506	$ 15,606	$ 18,929	$ 30,404
Tax expense	(4,119)	(4,038)	(3,658)	(8,425)
Net income	11,464	12,037	10,358	22,502
Amount Reclassified From Accumulated Other Comprehensive Income
Amounts reclassified out of each component of accumulated other comprehensive income (loss)
Net income	(120)	78	4,975	708
Net unrealized holding (loss) gain on AFS securities | Amount Reclassified From Accumulated Other Comprehensive Income
Amounts reclassified out of each component of accumulated other comprehensive income (loss)
Non-interest income	(203)	(1,004)	(237)	(1,004)
Tax expense	83	405	95	405
Net income	(120)	(599)	(142)	(599)
Realized gains (losses) on cash flow hedging derivatives: | Amount Reclassified From Accumulated Other Comprehensive Income
Amounts reclassified out of each component of accumulated other comprehensive income (loss)
Non-interest income		899
Interest income			5,393	1,911
Tax expense		(363)	(2,201)	(772)
Net income		536	3,192	1,139
Amortization of realized gains on terminated swap | Amount Reclassified From Accumulated Other Comprehensive Income
Amounts reclassified out of each component of accumulated other comprehensive income (loss)
Non-interest income		236
Interest income			3,237	471
Tax expense		(95)	(1,312)	(303)
Net income		$ 141	$ 1,925	$ 168