Condensed Consolidated Statements Of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Condensed Consolidated Statements Of Comprehensive Income (Loss) [Abstract]
Net income (loss)	$ 40	$ (228)	$ (793)	$ (1,462)
Amounts included in net periodic benefit costs:
Amortization of transition asset		8		14
Prior service cost	(68)	(68)	(137)	(137)
Amortization of actuarial gain (loss)	213	264	427	527
Income tax expense (benefit)	52	73	104	144
Other comprehensiv loss arising during period, net of tax expense	93	131	186	260
Comprehensive income (loss)	$ 133	$ (97)	$ (607)	$ (1,202)