Business and Summary of Significant Accounting Principles (Shareholders Equity Statements Immaterial Error Correction) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		3 Months Ended	6 Months Ended		3 Months Ended	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2011 Scenario As Previously Reported [Member]	Jun. 30, 2011 Scenario As Previously Reported [Member]	Dec. 31, 2011 Scenario As Previously Reported [Member]	Jun. 30, 2011 Adjustment [Member]	Jun. 30, 2011 Adjustment [Member]	Dec. 31, 2011 Adjustment [Member]
Beginning balances, retained deficit			$ (112,781)	$ (63,390)		$ (61,983)	$ (111,259)		$ (1,407)	$ (1,522)
Net income (loss)	3,805	(2,044)	5,057	(645)	(1,957)	(472)		(87)	(173)
Ending balances, retained deficit	(119,540)	(85,347)	(119,540)	(85,347)	(83,767)	(83,767)	(111,259)	(1,580)	(1,580)	(1,522)
Beginning balances, total stockholder's equity			171,990	197,806		199,213	173,512		(1,407)	(1,522)
Ending balances, total stockholder's equity	$ 168,288	$ 178,826	$ 168,288	$ 178,826	$ 180,406	$ 180,406	$ 173,512	$ (1,580)	$ (1,580)	$ (1,522)