Equity (Changes in Shares by Class) (Details)	12 Months Ended									12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Preferred Shares Issued [Member] Series A Preferred Stock [Member]	Dec. 31, 2012 Preferred Shares Issued [Member] Series A Preferred Stock [Member]	Dec. 31, 2011 Preferred Shares Issued [Member] Series A Preferred Stock [Member]	Dec. 31, 2013 Preferred Shares Issued [Member] Series C Preferred Stock [Member]	Dec. 31, 2011 Preferred Shares Issued [Member] Series C Preferred Stock [Member]	Dec. 31, 2010 Preferred Shares Issued [Member] Series C Preferred Stock [Member]	Dec. 31, 2013 Common Shares Issued [Member]	Dec. 31, 2012 Common Shares Issued [Member]	Dec. 31, 2011 Common Shares Issued [Member]	Dec. 31, 2013 Treasuty Shares Held [Member]	Dec. 31, 2012 Treasuty Shares Held [Member]	Dec. 31, 2011 Treasuty Shares Held [Member]
Class of Stock [Line Items]
Balance				968,000	968,000	968,000	0	0	0	792,273,000	790,989,000	790,956,000	5,693,000	5,693,000	5,693,000
Issuance (forfeitures) of non-vested stock, net						0						(1,000)			0
Restricted share unit activity				0	0	0				2,616,000	1,284,000	19,000	0	0	0
Settlement of prepaid common stock purchase contracts						0	0			122,848,000		15,000	0		0
Issuance of common stock				0			5,200,000			59,871,000			0
Stock options exercised	455,767	0	0	0						437,000			0
Redemption of Series A Preferred Stock				(968,000)
Balance				0	968,000	968,000	5,200,000	0	0	978,045,000	792,273,000	790,989,000	5,693,000	5,693,000	5,693,000