Note 10 - Fair Value of Financial Instruments (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Note 10 - Fair Value of Financial Instruments (Details) [Line Items]
Financial Assets At Fair Value Option	$ 38,900,000		$ 38,900,000		$ 37,300,000
Financial Liabilities At Fair Value Option	29,400,000		29,400,000		29,600,000
FinancialAssetsFairValueOptionElectionDuringPeriod			5,000,000
Proceeds From Sale of Financial Assets			1,900,000
Fair Value, Option, Changes in Fair Value, Gain (Loss)	(402,000)	(308,000)	(1,046,000)	(431,000)
Financial Liabilites At Fair Value Option, Contractual Principal	61,900,000		61,900,000		61,900,000
Financial Liabilities At Fair Value Option, Accrued Interest Payable	100,000		100,000		100,000
Liabilities, Fair Value Disclosure, Nonrecurring	0		0		0
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%
Interest Rate Caps / Swaps [Member]
Note 10 - Fair Value of Financial Instruments (Details) [Line Items]
Fair Value, Option, Changes in Fair Value, Gain (Loss)	$ (800,000)	$ 1,500,000	$ (1,800,000)	$ 2,300,000
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%