Note 12 - Fair Value (Detail) - 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	Jun. 30, 2012	Dec. 31, 2011
Goodwill [Member]
Assets	$ 14,327	$ 14,327
Foreclosed Assets [Member]
Assets	14,414	19,018
Impaired Loans [Member]
Assets	$ 9,412	$ 15,696