CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $) In Thousands	Total	Common Stock [Member]	Capital Surplus [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income/(Loss) [Member]	Common Stock in Treasury [Member]
Beginning Balance at Dec. 31, 2012	$ 125,765	$ 371	$ 197,113	$ 967,473	$ (7,930)	$ (1,031,262)
Beginning Balance (in shares) at Dec. 31, 2012		37,069				(13,744)
Net income	2,932			2,932
Other comprehensive (loss), net of income tax	143				143
Equity award vesting and exercises	0		(3,189)			3,189
Equity award vesting and exercises (in shares)						66
Tax benefit from equity awards	(4,177)		(4,177)
Stock-based compensation	5,394		5,394
Shares tendered for taxes	(371)					(371)
Shares tendered for taxes (in shares)						(22)
Ending Balance at Jun. 30, 2013	129,686	371	195,141	970,405	(7,787)	(1,028,444)
Ending Balance (in shares) at Jun. 30, 2013		37,069				(13,700)
Net income	(29,956)			(29,956)
Other comprehensive (loss), net of income tax	10,933				10,933
Equity award vesting and exercises	0		(108)			108
Equity award vesting and exercises (in shares)						2
Tax benefit from equity awards	(1,237)		(1,237)
Stock-based compensation	6,244		6,244
Shares tendered for taxes	(24)					(24)
Shares tendered for taxes (in shares)						(1)
Ending Balance at Dec. 31, 2013	115,646	371	200,040	940,449	3,146	(1,028,360)
Ending Balance (in shares) at Dec. 31, 2013		37,069				(13,699)
Net income	4,014			4,014
Other comprehensive (loss), net of income tax	(476)				(476)
Equity award vesting and exercises	0		(2,878)			2,878
Equity award vesting and exercises (in shares)						52
Tax benefit from equity awards	(3,218)		(3,218)
Stock-based compensation	4,862		4,862
Shares tendered for taxes	(728)					(728)
Shares tendered for taxes (in shares)						(19)
Issuance of shares for Director's compensation	38			(32)		70
Issuance of shares for Director's compensation (in shares)						1
Ending Balance at Jun. 30, 2014	$ 120,138	$ 371	$ 198,806	$ 944,431	$ 2,670	$ (1,026,140)
Ending Balance (in shares) at Jun. 30, 2014		37,069				(13,665)