CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 7,933	$ 4,909	$ 21,806	$ 17,440
Unrealized net (losses) gains on securities:
Unrealized net holding gains (losses) arising during period	1,092	3,285	(12,125)	5,554
Reclassification adjustment for (gains) included in net income	(82)	(511)	(82)	(575)
Other comprehensive (loss) income, before tax	1,010	2,774	(12,207)	4,979
Income tax (benefit) expense related to items of other comprehensive income	416	1,142	(5,026)	2,050
Other comprehensive (loss) income, net of tax	594	1,632	(7,181)	2,929
Comprehensive income	$ 8,527	$ 6,541	$ 14,625	$ 20,369