Consolidated Statements Of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Consolidated Statements Of Comprehensive Income (Loss) [Abstract]
Net income (loss)	$ 377	$ (1,084)
Other comprehensive income (loss):
Unrealized gains (losses) arising during the period	973	(158)
Tax related to unrealized gains (losses)	(375)	61
Reclassification of realized gains during the period	(45)	(26)
Tax related to realized gains	17	10
Defined benefit pension plan:
Prior service cost		7
Net loss arising during the period		(116)
Tax related to defined benefit pension plan		42
Total other comprehensive income (loss)	570	(180)
Total comprehensive income (loss)	$ 947	$ (1,264)