CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Comprehensive income:
Net income	$ 5,548	$ 6,035	$ 11,087	$ 11,846
Other comprehensive income:
Net unrealized gain (loss) on securities available-for-sale	(5,068)	3,395	(3,572)	7,084
Tax effect	1,884	$ (1,261)	1,327	$ (2,632)
Reclassification adjustments for gains included in net income	(690)		(1,639)
Tax effect	242		574
Foreign currency translation adjustments	(7)	$ (8)	(71)	$ (13)
Total comprehensive income	$ 1,909	$ 8,161	$ 7,706	$ 16,285