Note 6 - Other Real Estate Investments (Detail) (USD $)			3 Months Ended	6 Months Ended
	Jun. 30, 2011	Dec. 31, 2010	Jun. 30, 2011 Preferred Equity Capital [Member]	Jun. 30, 2010 Preferred Equity Capital [Member]
Equity Method Investments	$ 1,436,361,000	$ 1,382,749,000	$ 369,900,000
Income (Loss) from Equity Method Investments			9,100,000	14,800,000
Equity Method Investment, Realized Gain (Loss) on Disposal			$ 900,000	$ 400,000