Shareholders' Equity (Preferred Stock) (Details) (USD $)	0 Months Ended	12 Months Ended
	Oct. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Class of Stock [Line Items]
Reverse stock split, conversion ratio	0.01		0.01	0.01
Preferred stock, shares outstanding			0
Unpaid cumulative dividends		$ 0	$ 0
Impact of preferred stock activity on the Consolidated Statement of Operations:
Gain on retirement of preferred stock		0	0	9,375,000
Preferred stock gain on retirement, net of accretion, and dividends		0	0	44,592,000
Preferred stock [Member]
Impact of preferred stock activity on the Consolidated Statement of Operations:
Gain on retirement of preferred stock		0	0	48,000,000
Dividends and accretion on preferred stock		0	0	(3,408,000)
Series A Preferred stock [Member]
Class of Stock [Line Items]
Preferred stock, shares outstanding		0	0
Dividends and deferred interest paid				4,500,000
Accretion of discount on preferred stock				600,000
Impact of preferred stock activity on the Consolidated Statement of Operations:
Gain on retirement of preferred stock		0	0	38,625,000
Dividends and accretion on preferred stock		0	0	(2,652,000)
Preferred stock [Member]
Class of Stock [Line Items]
Preferred stock, shares outstanding		0	0
Impact of preferred stock activity on the Consolidated Statement of Operations:
Gain on retirement of preferred stock		0	0	9,375,000
Dividends and accretion on preferred stock		$ 0	$ 0	$ (756,000)