Note 6 - Discontinued Operations - Income From Discontinued Operations (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenues from rental properties			$ 124	$ 71,906
Rental property expenses			(49)	(16,657)
Depreciation and amortization				(15,019)
Provision for doubtful accounts			(57)	(719)
Interest expense				(1,823)
Income from other real estate investments				680
Income from discontinued operating properties, before income taxes			6	37,612
Impairment of property carrying value, before income taxes (1)	[1]		(82)	(178,048)
Gain on disposition of operating properties, before income taxes				203,271
Benefit/(provision) for income taxes			1	(11,850)
(Loss)/income from discontinued operating properties			(75)	50,985
Net income attributable to noncontrolling interests				(2,117)
(Loss)/income from discontinued operations attributable to the Company			(75)	48,868
Other [Member]
Other expense, net			$ (12)	$ (756)

[1] The year ended December 31, 2014, includes $92.9 million related to the release of a cumulative foreign currency translation loss due to the Company's substantial liquidation of its investment in Mexico.