Note 2 - Business Combinations - Summary of Purchased Credit-impaired Loans at Acquisition (Details) - USD ($)
$ in Thousands
Oct. 31, 2015
Dec. 15, 2014
Reunion Bank of Florida [Member]    
Contractually required principal and interest payments $ 9,348  
Non-accretable difference 4,185  
Cash flows expected to be collected 5,163  
Accretable discount  
Fair value of loans acquired with a deterioration of credit quality $ 5,163  
United Group Banking Company of Florida, Inc. [Member]    
Contractually required principal and interest payments   $ 11,956
Non-accretable difference   2,929
Cash flows expected to be collected   9,027
Accretable discount  
Fair value of loans acquired with a deterioration of credit quality   $ 9,027