Note 1 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2015

Accounting Policies [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	For the year ended December 31,
	2015			2014			2013
Computation of Basic Earnings Per Share:
Income from continuing operations	$	774,405		$	384,506		$	288,454
Gain on sale of operating properties, net, net of tax		125,813			389			1,432
Net income attributable to noncontrolling interests		(6,028	)		(11,879	)		(5,072	)
Discontinued operations attributable to noncontrolling interests		-			2,117			(7,930	)
Preferred stock redemption costs		(5,816	)		-			-
Preferred stock dividends		(57,084	)		(58,294	)		(58,294	)
Income from continuing operations available to the common shareholders		831,290			316,839			218,590
Earnings attributable to participating securities		(4,134	)		(1,749	)		(1,360	)
Income from continuing operations attributable to common shareholders		827,156			315,090			217,230
(Loss)/income from discontinued operations attributable to the Company		(75	)		48,868			(40,603	)
Net income attributable to the Company’s common shareholders for basic earnings per share	$	827,081		$	363,958		$	176,627
Weighted average common shares outstanding – basic		411,319			409,088			407,631
Basic Earnings Per Share Attributable to the Company’s Common Shareholders:
Income from continuing operations	$	2.01		$	0.77		$	0.53
Income/(loss) from discontinued operations		-			0.12			(0.10	)
Net income	$	2.01		$	0.89		$	0.43
Computation of Diluted Earnings Per Share:
Income from continuing operations attributable to common shareholders	$	827,156		$	315,090		$	217,230
(Loss)/income from discontinued operations attributable to the Company		(75	)		48,868			(40,603	)
Distributions on convertible units		192			529			-
Net income attributable to the Company’s common shareholders for diluted earnings per share	$	827,273		$	364,487		$	176,627
Weighted average common shares outstanding – basic		411,319			409,088			407,631
Effect of dilutive securities(a):
Equity awards		1,414			1,227			983
Assumed conversion of convertible units		118			723			-
Shares for diluted earnings per common share		412,851			411,038			408,614
Diluted Earnings Per Share Attributable to the Company’s Common Shareholders:
Income from continuing operations	$	2.00		$	0.77		$	0.53
Income/(loss) from discontinued operations		-			0.12			(0.10	)
Net income	$	2.00		$	0.89		$	0.43