Note 16 - Preferred Stock, Common Stock and Convertible Unit Transactions (Details) (USD $)	0 Months Ended	1 Months Ended		12 Months Ended
	Oct. 10, 2012	Aug. 31, 2012	Aug. 31, 2010	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Note 16 - Preferred Stock, Common Stock and Convertible Unit Transactions (Details) [Line Items]
Repayments of Secured Debt (in Dollars)			$ 150,000,000
Preferred Stock Redemption Premium (in Dollars)	15,500,000	6,200,000			21,703,000
Stock Repurchased During Period, Shares (in Shares)				0	1,635,823	333,998
Stock Repurchased During Period, Value (in Dollars)					30,947,000	6,003,000
Proceeds from Stock Options Exercised (in Dollars)					22,600,000	4,900,000
Stockholders' Equity Attributable to Noncontrolling Interest (in Dollars)				137,109,000	167,320,000
Convertible Preferred Stock, Shares Issued upon Conversion (in Shares)				1,600,000
Series H Preferred Stock [Member]
Note 16 - Preferred Stock, Common Stock and Convertible Unit Transactions (Details) [Line Items]
Number of Votes				100
Number of Proxies				100
Number of Votes, Depositary				1
Preferred Stock, Liquidation Preference Per Share (in Dollars per share)				$ 2,500.00
Series I, J or K Preferred Stock [Member]
Note 16 - Preferred Stock, Common Stock and Convertible Unit Transactions (Details) [Line Items]
Number of Votes				1,000
Number of Proxies				1,000
Number of Votes, Depositary				1
Series I Preferred Stock [Member]
Note 16 - Preferred Stock, Common Stock and Convertible Unit Transactions (Details) [Line Items]
Preferred Stock, Liquidation Preference Per Share (in Dollars per share)				$ 25,000.00
Series J Preferred Stock [Member]
Note 16 - Preferred Stock, Common Stock and Convertible Unit Transactions (Details) [Line Items]
Preferred Stock, Liquidation Preference Per Share (in Dollars per share)				$ 25,000.00
Series K Preferred Stock [Member]
Note 16 - Preferred Stock, Common Stock and Convertible Unit Transactions (Details) [Line Items]
Preferred Stock, Liquidation Preference Per Share (in Dollars per share)				$ 25,000.00
Depositary Share [Member]
Note 16 - Preferred Stock, Common Stock and Convertible Unit Transactions (Details) [Line Items]
Preferred Stock, Liquidation Preference Per Share (in Dollars per share)				$ 25.00
Convertible Units [Member]
Note 16 - Preferred Stock, Common Stock and Convertible Unit Transactions (Details) [Line Items]
Stockholders' Equity Attributable to Noncontrolling Interest (in Dollars)				$ 33,200,000