Note 2 - Real Estate (Tables)

12 Months Ended

Dec. 31, 2014

Real Estate [Abstract]

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

	December 31,
	2014			2013
Land	$	2,291,338		$	1,989,830
Undeveloped land		74,462			82,269
Buildings and improvements:
Buildings		4,909,152			4,572,740
Building improvements		1,349,028			1,168,959
Tenant improvements		658,868			725,570
Fixtures and leasehold improvements		61,122			61,015
Other rental property (1)		541,925			425,143
		9,885,895			9,025,526
Accumulated depreciation and amortization		(1,955,406	)		(1,878,681	)
Total	$	7,930,489		$	7,146,845