Condensed Consolidated Statements Of Comprehensive Income (unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net income	$ 1,238	$ 1,791
Other comprehensive loss, net of tax:
Pension liability adjustment, net of tax benefit of $43	64
Unrealized losses on derivative instruments, net of tax benefit of $0 and $32 in 2013 and 2012, respectively	(1)	(54)
Less: reclassification adjustment for costs realized in net income, net of tax benefit of $9 and $2 in 2013 and 2012, respectively	14	10
Net unrealized holding gain (loss) on derivative instruments	13	(44)
Other comprehensive loss, net of tax	77	(44)
Comprehensive income	$ 1,315	$ 1,747