Note 2 - Real Estate (Tables)

12 Months Ended

Dec. 31, 2013

Real Estate [Abstract]

Schedule of Property Subject to or Available for Operating Lease [Table Text Block]

	December 31,
	2013			2012
Land	$	1,989,830		$	1,927,800
Undeveloped land		82,269			96,500
Buildings and improvements:
Buildings		4,572,740			4,607,931
Building improvements		1,168,959			1,091,810
Tenant improvements		725,570			708,626
Fixtures and leasehold improvements		61,015			59,690
Other rental property (1)		425,143			357,667
		9,025,526			8,850,024
Accumulated depreciation and amortization		(1,878,681	)		(1,745,462	)
Total	$	7,146,845		$	7,104,562