Note 22 - Fair Value (Detail) - Carrying Value of Mortgage Servicing Rights (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2009
Balance at beginning of year	$ 942		$ 1,238		$ 1,461
Balance at end of year	929		942		1,238
Key economic assumptions used in measuring fair value, at end of year:
Weighted-average prepayment speed	12.40%		17.30%		20.10%
Weighted-average discount rate	11.60%		11.50%		11.40%
Weighted-average maturity, in months	199.7		202.2		210.7
Contractual servicing fees earned during the year (1)	235	[1]	301	[1]	324	[1]
Total amount of loans being serviced for the benefit of others, at end of year (4)	78,594	[2]	114,720	[2]	123,842	[2]
New servicing assets					237
Total gains (losses) included in earnings (1):
Due to changes in valuation inputs and assumptions (2)	179	[1],[3]	(28)	[1],[3]	(145)	[1],[3]
Other changes in fair value (3)	$ (192)	[1],[4]	$ (268)	[1],[4]	$ (315)	[1],[4]

[1] Included in other service charges, commissions, and fees in the Consolidated Statements of Income and relate to mortgage servicing rights still held at the end of the period.

[2] These loans are serviced for and owned by third parties and are not included in the Company's Consolidated Statements of Financial Condition.

[3] Principally reflects changes in prepayment speed assumptions.

[4] Primarily represents changes in expected cash flows over time due to payoffs and paydowns.