Note 12 - Fair Value Measurements (Details) (USD $)	9 Months Ended
	Dec. 31, 2013	Sep. 30, 2013		Sep. 30, 2012	Dec. 31, 2012
Note 12 - Fair Value Measurements (Details) [Line Items]
Marketable Securities		$ 88,656,000	[1]		$ 36,541,000	[1]
Asset Impairment Charges	109,000,000	109,000,000
Impairment of Real Estate				37,700,000
Fair Value Inputs, Cap Rate		6.00%
Fair Value Inputs, Discount Rate		9.50%
Before Tax [Member]
Note 12 - Fair Value Measurements (Details) [Line Items]
Asset Impairment Charges		167,200,000
Cost-method Investments [Member]
Note 12 - Fair Value Measurements (Details) [Line Items]
Asset Impairment Charges		10,000,000
Other Joint Venture Programs [Member]
Note 12 - Fair Value Measurements (Details) [Line Items]
Equity Method Investment, Other than Temporary Impairment		1,000,000
Preferred Equity Capital [Member]
Note 12 - Fair Value Measurements (Details) [Line Items]
Equity Method Investment, Other than Temporary Impairment		3,200,000
Fair Value, Estimate Not Practicable, Carrying (Reported) Amount [Member]
Note 12 - Fair Value Measurements (Details) [Line Items]
Impairment of Real Estate		153,000,000
Discontinued Operations [Member]
Note 12 - Fair Value Measurements (Details) [Line Items]
Impairment of Real Estate		58,100,000		37,400,000
Fair Value, Inputs, Level 1 [Member]
Note 12 - Fair Value Measurements (Details) [Line Items]
Marketable Securities		85,600,000			33,400,000
Fair Value, Inputs, Level 3 [Member]
Note 12 - Fair Value Measurements (Details) [Line Items]
Marketable Securities		$ 3,300,000			$ 3,400,000

[1] As of September 30, 2013 and December 31, 2012, the Company determined that $85.6 million and $33.4 million, respectively, of the Marketable securities estimated fair value were classified within Level 1 of the fair value hierarchy and the remaining $3.3 million and $3.4 million, respectively, were classified within Level 3 of the fair value hierarchy.