Note 14 - Noncontrolling Interests (Details) - Redeemed Units (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013
Preferred A Units [Member]
Note 14 - Noncontrolling Interests (Details) - Redeemed Units [Line Items]
Units Redeemed	2,200,000
Par Value Redeemed (in Dollars)	$ 2.2
Class A Preferred Units [Member]
Note 14 - Noncontrolling Interests (Details) - Redeemed Units [Line Items]
Units Redeemed	2,000
Par Value Redeemed (in Dollars)	20.0
Class B-1 Preferred Units [Member]
Note 14 - Noncontrolling Interests (Details) - Redeemed Units [Line Items]
Units Redeemed	2,438
Par Value Redeemed (in Dollars)	24.4
Class B-2 Preferred Units [Member]
Note 14 - Noncontrolling Interests (Details) - Redeemed Units [Line Items]
Units Redeemed	5,576
Par Value Redeemed (in Dollars)	55.8
Class C DownReit Units [Member]
Note 14 - Noncontrolling Interests (Details) - Redeemed Units [Line Items]
Units Redeemed	61,804
Par Value Redeemed (in Dollars)	$ 1.9