Note 14 - Noncontrolling Interests (Details) - Redemption Value of the Redeemable Noncontrolling Interests (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013
Redemption Value of the Redeemable Noncontrolling Interests [Abstract]
Balance at January 1,	$ 86,153		$ 81,076
Issuance of redeemable partnership interests (1) (2)	4,943	[1],[2]	5,223	[1],[2]
Fair market value adjustment, net	225		(225)
Other	159		79
Balance at December 31,	$ 91,480		$ 86,153

[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

[2] During the year ended December 31, 2013, the Company issued 5,223 redeemable units valued at $5.2 million relating to the acquisition of an operating property. These units are redeemable at the option of the holder after one year from issuance and earn a yield of 6% per annum.