Note 14 - Commitments and Contingent Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Unfunded Loan Commitments	$ 339,651	$ 348,621
Financial Standby Letter of Credit [Member]
Letters of Credit Outstanding, Amount	32,347	27,221
Standby Letters of Credit [Member]
Letters of Credit Outstanding, Amount	$ 344	$ 454