Note 18 - Fair Value of Financial Instruments (Details) - Financial Assets and Liabilities Reported Under the Fair Value Option (USD $)	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Fair Value, Option, Quantitative Disclosures [Line Items]
Changes in Fair Values For Items Measured at Fair Value Pursuant to Election of the Fair Value Option	$ (2,521,000)		$ 55,000		$ 1,960,000
Borrowed funds	(2,521,000)		55,000		1,960,000
Net gain (loss) from fair value adjustments (1) (2)	(2,521,000)		55,000		1,960,000
Collateralized Mortgage Backed Securities [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value Measurements	7,119,000		24,911,000
Changes in Fair Values For Items Measured at Fair Value Pursuant to Election of the Fair Value Option	(725,000)		(539,000)		(665,000)
Borrowed funds	(725,000)		(539,000)		(665,000)
Net gain (loss) from fair value adjustments (1) (2)	(725,000)		(539,000)		(665,000)
Other Securities [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value Measurements	30,163,000		29,577,000
Changes in Fair Values For Items Measured at Fair Value Pursuant to Election of the Fair Value Option	241,000		796,000		(1,138,000)
Borrowed funds	241,000		796,000		(1,138,000)
Net gain (loss) from fair value adjustments (1) (2)	241,000		796,000		(1,138,000)
Borrowed Funds [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Changes in Fair Values For Items Measured at Fair Value Pursuant to Election of the Fair Value Option	(5,651,000)		2,062,000		5,916,000
Borrowed funds	29,570,000		23,922,000
Borrowed funds	(5,651,000)		2,062,000		5,916,000
Net gain (loss) from fair value adjustments (1) (2)	(5,651,000)		2,062,000		5,916,000
Financial Assets And Liabilities, Excluding Interest Rate Caps / Swaps [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Changes in Fair Values For Items Measured at Fair Value Pursuant to Election of the Fair Value Option	(6,135,000)	[1],[2]	2,319,000	[1],[2]	4,113,000	[1],[2]
Borrowed funds	(6,135,000)	[1],[2]	2,319,000	[1],[2]	4,113,000	[1],[2]
Net gain (loss) from fair value adjustments (1) (2)	$ (6,135,000)	[1],[2]	$ 2,319,000	[1],[2]	$ 4,113,000	[1],[2]

[1] The net gain (loss) from fair value adjustments presented in the above table does not include net losses of $18,000, $0.3 million and $2.2 million from the change inthe fair value of interest rate caps recorded during the years ended December 31, 2013, 2012 and 2011, respectively.

[2] The net gain (loss) from fair value adjustments presented in the above table does not include a net gain of $3.6 million and a net loss of $1.9 million from the change in the fair value of interest rate swaps recorded during the years ended December 31, 2013 and 2012, respectively.