Consolidated Statements of Comprehensive (Loss) Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Consolidated Statements of Comprehensive (Loss) Income
Net (loss) income	$ (4,297)	$ 11,030	$ 7,604
Other comprehensive income (loss):
Net unrealized gain on interest rate swap agreement, net of tax	38
Adjustment to defined benefit retirement plan, net of tax	130	(256)	(149)
Other, net of tax	(17)
Comprehensive (loss) income	$ (4,146)	$ 10,774	$ 7,455