Earnings (Loss) Per Share Data (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Earnings (loss) per common share - Basic:
Net income	$ (0.65)	$ 0.56	$ 0.39	$ 1.23
Effect of Dilutive Securities [Abstract]
Convertible Securities	$ 0	$ 71	$ 212	$ 213
Stock options, warrants and awards	0	0	0	0
Convertible Securities (in shares)	0	2,107,000	6,360,000	2,912,000
Stock options, warrants and awards, common shares (in shares)	0	529,000	628,000	599,000
Earnings (loss) per common share - Diluted:
Net income plus assumed conversions	(66,309)	61,496	40,476	136,069
Diluted shares (in shares)	101,811,000	111,951,000	109,612,000	113,968,000
Diluted earnings per share (per share)	$ (0.65)	$ 0.55	$ 0.37	$ 1.19
Aggregate number of stock options, warrants and awards excluded from the computation of diluted EPS (in shares)	300,000	2,100,000	900,000	2,100,000
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest	$ (66,309)	$ 61,425	$ 40,264	$ 135,856
Weighted Average Number of Shares Outstanding, Basic	101,811,000	109,315,000	102,624,000	110,457,000
Antidilutive shares excluded from earnings per share due to net loss	9,600,000		9,600,000