Consolidated Statements of Income and Comprehensive Income (Unaudited) (Parentheticals) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Income Statement [Abstract]
Reclassifications for unrealized net gains on available-for-sale securities	$ 1,606	$ 4,417	$ 3,088	$ 5,653
Reclassification adjustment for employee benefit costs included in expense	768	1,243	1,536	2,485
Reclassifications adjustments - tax	$ 293	$ 1,111	$ 543	$ 1,109