Consolidated Statements Of Changes In Shareholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings (Deficit) [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income/(Expense) [Member]	Total
Balance at Dec. 31, 2008	$ 106	$ 56,040	$ 173,718	$ (986)	$ (4,432)	$ 224,446
Balance, shares at Dec. 31, 2008	10,511,586
Comprehensive income:
Net Income (Loss)			10,183			10,183
Equity adjustment for additional pension liability, net of tax					494
Equity adjustment for cash flow hedge mark-to-market adjustment, net of tax					384	878
Total comprehensive income						11,061
Cash Dividends			(3,141)			(3,141)
Common stock repurchased for treasury				(938)		(938)
Common stock repurchased for treasury, shares	(74,300)
Stock options exercised		44				44
Stock options exercised, shares	19,416
Stock repurchased related to the exercise of stock options		(105)				(105)
Stock repurchased related to the exercise of stock options, shares	(6,276)
Stock Based Compensation		2,404				2,404
Income tax benefit related to the exercise of nonqualified stock options		115				115
Balance at Dec. 31, 2009	106	58,498	180,760	(1,924)	(3,554)	233,886
Balance, shares at Dec. 31, 2009	10,450,426
Comprehensive income:
Net Income (Loss)			19,808			19,808
Equity adjustment for additional pension liability, net of tax					44
Equity adjustment for cash flow hedge mark-to-market adjustment, net of tax					408	452
Total comprehensive income						20,260
Cash Dividends			(3,147)			(3,147)
Stock options exercised		769				769
Stock options exercised, shares	77,156
Stock repurchased related to the exercise of stock options		(404)				(404)
Stock repurchased related to the exercise of stock options, shares	(20,439)
Stock Based Compensation		2,517				2,517
Income tax benefit related to the exercise of nonqualified stock options		304				304
Balance at Dec. 31, 2010	106	61,684	197,421	(1,924)	(3,102)	254,185
Balance, shares at Dec. 31, 2010	10,507,143
Comprehensive income:
Net Income (Loss)			(47,583)			(47,583)
Equity adjustment for additional pension liability, net of tax					(4,223)	(4,223)
Total comprehensive income						(51,806)
Cash Dividends			(790)			(790)
Stock options exercised	1	1,552				1,553
Stock options exercised, shares	96,605
Stock repurchased related to the exercise of stock options		(1,497)				(1,497)
Stock repurchased related to the exercise of stock options, shares	(63,185)
Stock Based Compensation		2,363				2,363
Income tax benefit related to the exercise of nonqualified stock options		276				276
Balance at Dec. 31, 2011	$ 107	$ 64,378	$ 149,048	$ (1,924)	$ (7,325)	$ 204,284
Balance, shares at Dec. 31, 2011	10,540,563