Note 7 - Discontinued Operations and Assets Held-for-Sale (Detail) - Income from Discontinued Operations (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Revenues from rental property	$ 27,155	$ 65,783	$ 96,794
Rental property expenses	(10,069)	(24,144)	(33,015)
Depreciation and amortization	(13,249)	(19,427)	(30,431)
Interest expense	(997)	(1,848)	(9,429)
Income from other real estate investments	112,896	63,467	55,705
Other expense, net	(212)	(114)	(760)
Income from discontinued operating properties, before income taxes	2,641	22,250	43,940
Loss on operating properties sold, before income taxes			(35)
Impairment of property carrying value, before income taxes	(22,458)	(19,698)	(6,460)
Gain on disposition of operating properties, before income taxes	85,894	17,327	1,981
(Provision)/ benefit for income taxes	(2,079)	3,126	(274)
Income from discontinued operating properties	63,998	23,005	39,152
Net income attributable to noncontrolling interests	(1,731)	(1,384)	(5,288)
Income from discontinued operations attributable to the Company	62,267	21,621	33,864
Other [Member]
Income from other real estate investments	$ 13	$ 2,000	$ 20,781