Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Net income	$ 11,702	$ 17,992
Unrealized gains (losses) on available-for-sale securities arising during the period	4,348	1,450
Reclassification adjustment for gains	0	(14)
Other comprehensive income (loss) before income taxes	4,348	1,436
Tax effect	(1,605)	(530)
Other comprehensive income (loss), net of tax	2,743	906
Comprehensive Income, Net of Tax	$ 14,445	$ 18,898