Unaudited Consolidated Statements of Comprehensive Income (Parentheticals) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Tax on net unrealized holding gain (loss) on available for sale securities arising during the period	$ 875	$ 1,753	$ 674	$ 1,661
Tax on reclassification adjustment for prior period unrealized gain recognized during current period	268	63	261	295
Tax on change in unfunded portion of postretirement benefit obligation	$ 31	$ 31	$ 67	$ 63