Note 3 - Discontinued Operations (Details) - Discontinued Operations (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss from discontinued operating properties	$ (24,323)	$ (7,028)	$ (23,679)	$ (1,887)
Net income attributable to noncontrolling interests		95	17	2,393
Loss from discontinued operations attributable to the Company	(24,323)	(7,123)	(23,696)	(4,280)
Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues from rental property	2,597	11,648	5,468	26,186
Rental property expenses	(969)	(4,623)	(2,121)	(10,651)
Depreciation and amortization	(861)	(6,575)	(1,907)	(12,892)
Provision for doubtful accounts	(15)	(568)	(298)	(922)
Interest income/(expense)	744	(637)	667	(1,149)
Other income/(expense), net	3	(94)	(12)	(201)
Income/(loss) from discontinued operating properties, before income taxes	1,499	(849)	1,797	371
Impairment of property carrying value, net, before income taxes	(42,951)	(24,915)	(45,783)	(34,245)
Gain on disposition of operating properties, net	1,869	11,263	4,365	23,242
Benefit for income taxes, net	15,260	7,473	15,942	8,745
Loss from discontinued operating properties	(24,323)	(7,028)	(23,679)	(1,887)
Net income attributable to noncontrolling interests		(95)	(17)	(2,393)
Loss from discontinued operations attributable to the Company	$ (24,323)	$ (7,123)	$ (23,696)	$ (4,280)