Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Net income (loss)	$ 2,738	$ 6,932	$ (44,742)
Other comprehensive income (loss):
Unrealized holding gain (loss) on available for sale securities arising during the period on securities held at end of period, net of tax of $3,677, $377, and $2,028, respectively	6,829	(701)	3,767
Reclassification adjustment for prior period unrealized gain previously reported in other comprehensive income recognized during current period, net of tax of $84, $1,863, and $1,187, respectively	(156)	(3,459)	(2,204)
Change in unfunded portion of postretirement benefit obligations, net of tax of $500, $643, and $234, respectively	(928)	1,194	(434)
Other comprehensive income (loss)	5,745	(2,966)	1,129
Comprehensive income (loss)	$ 8,483	$ 3,966	$ (43,613)