Shareholders' Equity (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Shareholders' Equity [Abstract]
Shareholders' equity, beginning of period			$ 14,535	$ 26,153
Net income (loss)	40	(228)	(793)	(1,462)
Dividends paid on common stock			(3,320)	(3,131)
Dividends paid on preferred stock			(13)	(13)
Stock based compensation			687	398
Treasury stock purchases			(126)	(789)
Exercise of stock options				677
Changes in pension and postretirement benefit plans			186	260
Shareholders' equity, end of period	$ 11,156	$ 22,093	$ 11,156	$ 22,093