Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Net income	$ 11,872	$ 13,975	$ 38,432	$ 34,969
Unrealized gains (losses) on available-for-sale securities arising during the period	(582)	(1,004)	4,252	(7,438)
Reclassification adjustment for gains	(71)	0	(972)	(93)
Other comprehensive income (loss) before income taxes	(653)	(1,004)	3,280	(7,531)
Tax effect	241	371	(1,211)	2,779
Other comprehensive income (loss), net of tax	(412)	(633)	2,069	(4,752)
Comprehensive income, net of tax	$ 11,460	$ 13,342	$ 40,501	$ 30,217