Note 21 - Income Taxes (Details) - Taxable Income and Provisions for Income Taxes - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Note 21 - Income Taxes (Details) - Taxable Income and Provisions for Income Taxes [Line Items]
Income/(loss) before income taxes – U.S.		$ 23,729	$ 22,176	$ (4,849)
Federal :
Federal tax (provision)/benefit		(12,002)	(9,066)	10,799
State and local:
Total tax (provision)/benefit – U.S.		(60,230)	(22,438)	(32,654)
Net income from U.S. taxable REIT subsidiaries		900,143	435,880	241,353
Taxable REIT Subsidiaries [Member]
Federal :
Current		(638)	(522)	(1,647)
Deferred		(7,355)	(7,156)	9,725
Federal tax (provision)/benefit		(7,993)	(7,678)	8,078
State and local:
Current		(2,535)	(165)	1,159
Deferred		(1,474)	(1,223)	1,562
State tax (provision)/benefit		(4,009)	(1,388)	2,721
Total tax (provision)/benefit – U.S.		(12,002)	(9,066)	10,799
Net income from U.S. taxable REIT subsidiaries		11,727	13,110	5,950
Income before taxes – Non-U.S.		381,999	116,184	188,215
(Provision)/benefit for Non-U.S. income taxes:
Current (1)	[1]	(58,365)	(18,131)	(30,102)
Deferred		4,331	(6,749)	2,045
Non-U.S. tax provision		$ (54,034)	$ (24,880)	$ (28,057)

[1] Includes $53.5 million in expense related to the sale of interest in 32 properties located in Canada.