Note 10 - Fair Value of Financial Instruments (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Note 10 - Fair Value of Financial Instruments (Details) [Line Items]
Financial Assets At Fair Value Option	$ 44,800,000		$ 44,800,000		$ 54,500,000
Financial Liabilities At Fair Value Option	26,200,000		26,200,000		23,900,000
FinancialAssetsFairValueOptionElectionDuringPeriod				10,000,000
Fair Value, Option, Changes in Fair Value, Gain (Loss)	(308,000)	(562,000)	(431,000)	(1,010,000)
Financial Liabilites At Fair Value Option, Contractual Principal	61,900,000		61,900,000
Financial Liabilities At Fair Value Option, Accrued Interest Payable	100,000		100,000		400,000
NonaccruingCollateral Dependent Loans Percent Of The Appraised Or Internally Estimated Value Of The Property [Member]
Note 10 - Fair Value of Financial Instruments (Details) [Line Items]
Fair Value Inputs, Discount Rate	85.00%
Impaired Collateral Dependent Loans Percent Of The Appraised Or Internally Estimated Value Of The Underlying Property [Member]
Note 10 - Fair Value of Financial Instruments (Details) [Line Items]
Fair Value Inputs, Discount Rate	85.00%
Interest Rate Caps / Swaps [Member]
Note 10 - Fair Value of Financial Instruments (Details) [Line Items]
Fair Value, Option, Changes in Fair Value, Gain (Loss)	$ 1,500,000	$ (2,200,000)	$ 2,300,000	$ (3,000,000)