Note 14 - Noncontrolling Interests (Details) - Redemption Value of the Redeemable Noncontrolling Interests - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2015	Dec. 31, 2014
Redemption Value of the Redeemable Noncontrolling Interests [Abstract]
Balance at January 1,		$ 91,480	$ 86,153
Issuance of redeemable partnership interests (1)	[1]		4,943
Income (2)	[2]	$ 7,061	6,335
Distribution		(5,922)	(5,951)
Conversion of redeemable units		(5,910)
Balance at December 31,		$ 86,709	$ 91,480

[1] During the year ended December 31, 2014, the Company acquired a 65.4% controlling ownership interest in an operating property and the seller retained a 34.6% noncontrolling interest in the property. The partner has the ability to put its partnership interest to the Company at any time after March 2015. As such, the Company has recorded the partners' share of the property's fair value of $4.9 million as Redeemable noncontrolling interests. During October 2015, the seller put its partnership interest to the Company and as such the Company now owns 100% of the operating property.

[2] Includes $1.0 million in fair market value remeasurement for the year ended December 31, 2015.