Stock-Based Compensation (Other Stockholder Investment Information Textual) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Class of Stock [Line Items]
Document Fiscal Year Focus	2013
Repurchase of common stock	3,570,082	3,570,082
Aggregate price of repurchase stock	$ 86,840	$ 86,840
Percentage of Restrictions on Ownership of Company Common and Preferred Stock	3.90%
Series A Preferred Stock [Member]
Class of Stock [Line Items]
Preferred Stock, Shares Outstanding	0	2,993,090
Preferred Stock, Dividend Rate, Percentage		7.75%
Preferred Stock, Liquidation Preference Per Share		$ 25
Series B Preferred Stock [Member]
Class of Stock [Line Items]
Preferred Stock, Shares Outstanding	3,791,000	3,791,000
Preferred Stock, Dividend Rate, Percentage	7.50%	7.50%
Preferred Stock, Liquidation Preference Per Share	$ 25	$ 25
Long term incentive compensation [Member]
Class of Stock [Line Items]
Allocated Share-based Compensation Expense	$ 286	$ (101)	$ 767