CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Statement of Comprehensive Income [Abstract]
NET INCOME	$ 46,555	$ 64,882	$ 5,457
OTHER COMPREHENSIVE INCOME (LOSS), NET OF INCOME TAXES:
Unrealized holding gain (loss) on AFS securities arising during the period	(7,835)	28	2,638
Income tax benefit (expense) related to AFS unrealized holding gains (losses)	2,813	(10)	(950)
Reclassification for net (gains) losses on AFS securities realized in earnings	(116)	38	(5)
Income tax benefit (expense) related to AFS realized (gains) losses	42	(14)	2
Amortization of unrealized gain on tax exempt securities transferred from AFS to HTM	0	8	16
Other comprehensive (loss) income	(5,096)	50	1,701
COMPREHENSIVE INCOME	$ 41,459	$ 64,932	$ 7,158