Note 10 - Derivative Financial Instruments (Detail) - Amounts Included In The Consolidated Statements Of Operations For The Period Related To Non-Hedging Interest Rate Derivatives (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Non-hedging interest rate derivative:
Other non-interest income	$ (31)	$ (348)	$ (139)	$ (337)