Note 23 - Supplemental Financial Information (Tables)

12 Months Ended

Dec. 31, 2015

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information [Table Text Block]

	2015 (Unaudited)
	Mar. 31		Jun. 30		Sept. 30		Dec. 31
Revenues from rental properties	$	275,506	$	289,080	$	283,387	$	296,501
Net income attributable to the Company	$	310,342	$	127,000	$	77,572	$	379,201
Net income per common share:
Basic	$	0.72	$	0.27	$	0.15	$	0.87
Diluted	$	0.71	$	0.27	$	0.15	$	0.87

	2014 (Unaudited)
	Mar. 31		Jun. 30		Sept. 30		Dec. 31
Revenues from rental properties (1)	$	219,152	$	237,432	$	246,555	$	255,749
Net income attributable to the Company	$	87,000	$	89,512	$	194,708	$	52,781
Net income per common share:
Basic	$	0.18	$	0.18	$	0.44	$	0.09
Diluted	$	0.18	$	0.18	$	0.44	$	0.09