CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Comprehensive income:
Net income	$ 6,035	$ 6,073	$ 11,846	$ 12,105
Other comprehensive income:
Net unrealized gain (loss) on securities available-for-sale, net of tax	3,395	(7,895)	7,084	(9,192)
Tax effect	(1,261)	2,933	(2,632)	3,415
Reclassification adjustments for gains included in net income, net of tax		(1,685)		(3,137)
Tax effect		591		1,098
Foreign currency translation adjustments	(8)	25	(13)	(23)
Total comprehensive income	$ 8,161	$ 42	$ 16,285	$ 4,266