CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
NET INCOME	$ 5,253	$ 1,739
OTHER COMPREHENSIVE INCOME, BEFORE INCOME TAXES
Unrealized gain on securities available for sale	2,132	1,177
Other-than-temporary impairment losses on investment securities	268	69
	2,400	1,246
Less: Reclassification of other-than-temporary impairment losses on investment securities included in net income for the period (tax benefit to net income of $96 and $25, respectively)	(268)	(69)
Tax expense	(813)	(458)
TOTAL OTHER COMPREHENSIVE INCOME, NET OF INCOME TAXES	1,319	719
TOTAL COMPREHENSIVE INCOME	$ 6,572	$ 2,458