Note 11 - Fair Value (Details) - Assets Carried At Fair Value On A Nonrecurring Basis By Caption On The Condensed Consolidated Balance Sheets And By Valuation Hierarchy (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013		Dec. 31, 2012
Foreclosed Assets [Member] | Fair Value, Inputs, Level 2 [Member]
Assets
Assets	$ 0		$ 0
Foreclosed Assets [Member] | Fair Value, Inputs, Level 3 [Member]
Assets
Assets	9,373		12,555
Impaired Loans [Member] | Fair Value, Inputs, Level 2 [Member]
Assets
Assets	485	[1]	4,646	[1]
Impaired Loans [Member] | Fair Value, Inputs, Level 3 [Member]
Assets
Assets	$ 0	[1]	$ 0	[1]

[1] Impaired loans represent collateral dependent impaired loans with a specific valuation reserve.