Note 21 - Income Taxes (Details) - GAAP Net Income/(Loss) to Taxable Income Reconciliation (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Note 21 - Income Taxes (Details) - GAAP Net Income/(Loss) to Taxable Income Reconciliation [Line Items]
GAAP net income	$ 61,609	$ 55,763	$ 51,139	$ 67,770	$ 88,382	$ 54,941	$ 69,112	$ 53,638	$ 236,281		$ 266,073		$ 169,051
Net book depreciation in excess of tax depreciation									31,678		37,492		30,603
Deferred/prepaid/above and below market rents, net									(11,731)		(16,050)		(16,463)
Book/tax differences from non-qualified stock options									(255)		1,774		9,879
Book/tax differences from investments in real estate joint ventures									42,724		44,886		52,564
Book/tax difference on sale of property									(48,296)		(77,853)		1,811
Foreign income tax from Mexico capital gains									(42,641)
Book adjustment to property carrying values and marketable equity securities									87,218		2,656		8,721
Taxable currency exchange (loss)/gain, net									(27,155)		(2,620)		6,502
Book/tax differences on capitalized costs									4,616		(7,205)		3,228
Dividends from taxable REIT subsidiaries									698		2,304		15,969
Other book/tax differences, net									229		(25)		2,195
Adjusted REIT taxable income									262,643		242,792		263,309
Less: GAAP net income of taxable REIT subsidiaries	(61,609)	(55,763)	(51,139)	(67,770)	(88,382)	(54,941)	(69,112)	(53,638)	(236,281)		(266,073)		(169,051)
GAAP net loss/(income) of taxable REIT subsidiaries [Member]
Note 21 - Income Taxes (Details) - GAAP Net Income/(Loss) to Taxable Income Reconciliation [Line Items]
GAAP net income									5,950		5,249		19,572
Less: GAAP net income of taxable REIT subsidiaries									(5,950)		(5,249)		(19,572)
GAAP net income from REIT operations [Member]
Note 21 - Income Taxes (Details) - GAAP Net Income/(Loss) to Taxable Income Reconciliation [Line Items]
GAAP net income									230,331	[1]	260,824	[1]	149,479	[1]
Less: GAAP net income of taxable REIT subsidiaries									(230,331)	[1]	(260,824)	[1]	(149,479)	[1]
Other Credit Derivatives [Member]
Note 21 - Income Taxes (Details) - GAAP Net Income/(Loss) to Taxable Income Reconciliation [Line Items]
Other book/tax differences, net									$ (4,544)		$ (3,416)		$ 1,016

[1] All adjustments to "GAAP net income from REIT operations" are net of amounts attributable to noncontrolling interest and taxable REIT subsidiaries.