Note 22 - Commitments and Contingencies (Detail) - Guarantees (USD $) In Millions, unless otherwise specified		12 Months Ended
	Oct. 31, 2011	Dec. 31, 2011 InTown Suites Management, Inc. [Member]		Dec. 31, 2011 Factoria Mall [Member]	Dec. 31, 2011 RioCan [Member]	Dec. 31, 2011 Towson [Member]	Dec. 31, 2011 Hillsborough [Member]	Dec. 31, 2011 Victoriaville [Member]	Dec. 31, 2011 Westside [Member]	Dec. 31, 2011 Sequoia [Member]
Amount of Guarantee (in Dollars)		$ 147.5		$ 51.8	$ 4.7	$ 10.0	$ 3.0	$ 4.6	$ 3.1	$ 6.0
Interest rate	1.05%	0.375%	[1]	4.00%	2.25%	3.50%	1.50%	0.50%	2.00%	0.75%
Maturity, with extensions		Dec. 31, 2012		Dec. 31, 2012	Dec. 31, 2012	Dec. 31, 2014	Dec. 31, 2012	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012

[1] The joint venture obtained an interest rate swap at 5.37% on $128.0 million of this debt. The swap is designated as a cash flow hedge and is deemed highly effective; as such, adjustments to the swaps fair value are recorded at the joint venture level in other comprehensive income.