Note 10 - Mortgages and Other Financing Receivables (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Note 10 - Mortgages and Other Financing Receivables (Details) [Line Items]
Mortgage Loans on Real Estate, Number of Loans	16
Mortgage Loans on Real Estate (in Dollars)	$ 30,243	$ 70,704	$ 102,972	$ 108,493
Foreclosed On [Member]
Note 10 - Mortgages and Other Financing Receivables (Details) [Line Items]
Mortgage Loans on Real Estate, Number of Loans	2
Mortgage Loans on Real Estate (in Dollars)	$ 25,600
Area of Real Estate Property (in Acres)	59.24
In Default [Member]
Note 10 - Mortgages and Other Financing Receivables (Details) [Line Items]
Area of Real Estate Property (in Acres)	427.00