Consolidated Statements of Comprehensive Income (Loss) (Parentheticals) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Net unrealized holding gain (loss) on available for sale securities arising during the period, net of tax	$ 3,677	$ 377	$ 2,028
Reclassification adjustment for prior period unrealized gain recognized during current period, net of tax	84	1,863	1,187
Change in unfunded portion of postretirement benefit obligation, net of tax	$ 500	$ 643	$ 234