Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Net Income	$ 9,979	$ 6,786	$ 23,753	$ 16,515
Other comprehensive income:
Unrealized gains on securities available for sale	15,341	10,592	27,605	12,370
Tax expense	(5,783)	(4,054)	(10,440)	(4,734)
Net of tax amount	9,558	6,538	17,165	7,636
Reclassification adjustment for gains included in net income	(2,451)	(1,935)	(17,797)	(2,953)
Tax expense	931	735	6,763	1,122
Net of tax amount	(1,520)	(1,200)	(11,034)	(1,831)
Total other comprehensive income	8,038	5,338	6,131	5,805
Total comprehensive income	$ 18,017	$ 12,124	$ 29,884	$ 22,320