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
Net income	$ 5,094	$ 4,454	$ 14,941	$ 13,038
Other comprehensive (loss) income, net of tax:
Unrealized holding gains (losses) on available-for-sale securities	383	10,019	(10,771)	19,391
Tax effect	(118)	(3,796)	4,371	(7,259)
Net of tax amount	265	6,223	(6,400)	12,132
Reclassification adjustment of OTTI losses included in net investment securities gains	0	134	24	332
Tax effect included in income tax expense	0	(38)	(6)	(105)
Net of tax amount	0	96	18	227
Reclassification adjustment for net gains arising during the period included in net investment securities gains	(343)	(897)	(1,286)	(2,545)
Tax effect included in income tax expense	96	246	353	802
Net of tax amount	(247)	(651)	(933)	(1,743)
Amortization of unrealized holding (losses) gains on securities transferred from available-for-sale to held-to-maturity included in interest income on investment securities	(42)	(2)	32	4
Tax effect included in income tax expense	15	1	(13)	(1)
Net of tax amount	(27)	(1)	19	3
Total other comprehensive (loss) income	(9)	5,667	(7,296)	10,619
Total comprehensive income	$ 5,085	$ 10,121	$ 7,645	$ 23,657