Note 19 - Derivative Instruments and Hedging Activities (Detail) - Hedge Ineffectiveness and Gains Recognized (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2009
Net hedge ineffectiveness recognized in noninterest income:
Change in fair value of swaps	$ (626)		$ (588)		$ 1,383
Change in fair value of hedged items	624		585		(1,389)
Net hedge ineffectiveness (1)	(2)	[1]	(3)	[1]	(6)	[1]
Gains recognized in net interest income (2)		[2]		[2]	$ 120	[2]

[1] Included in other noninterest income in the Consolidated Statements of Income. No gains or losses were recognized related to components of derivative instruments that were excluded from the assessment of hedge ineffectiveness during the years presented.

[2] The gain represents the fair value on discontinued fair value hedges in connection with our subordinated fixed rate debt that were being amortized through earnings over the remaining life of the hedged item (debt). In addition to these amounts, interest accruals on fair value hedges are also reported in net interest income.