Note 19 - Commitments, Guarantees and Other Contingencies (Details) - Contractual Amounts of the Company’s Unused Lending Commitments to Extend Credit (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Commitments to extend credit:
Contractual amounts of unused lending commitments	$ 165,037
Revolving Lines Secured By Single Family Residential Properties [Member]
Commitments to extend credit:
Contractual amounts of unused lending commitments	59,183
Single Family Residential Construction Loan [Member]
Commitments to extend credit:
Contractual amounts of unused lending commitments	11,186
Commercial Real Estate, Other Construction Loan, and Land Development Loan Commitments [Member]
Commitments to extend credit:
Contractual amounts of unused lending commitments	20,317
Commercial And Industrial [Member]
Commitments to extend credit:
Contractual amounts of unused lending commitments	37,461
Overdraft Protection Line [Member]
Commitments to extend credit:
Contractual amounts of unused lending commitments	30,015
Other Loan [Member]
Commitments to extend credit:
Contractual amounts of unused lending commitments	$ 6,875