Consolidated Statements of Income and Comprehensive Income (Unaudited) (Parentheticals) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Statement [Abstract]
Reclassifications for unrealized net gains on available-for-sale securities	$ 985	$ 617	$ 4,073	$ 6,270
Reclassification adjustment for employee benefit costs included in expense	768	1,915	2,304	4,400
Reclassifications adjustments - tax	$ 76	$ (455)	$ 619	$ 654