Note 7 - Other Real Estate Owned (Details Textual) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Other Real Estate, Foreclosed Assets, and Repossessed Assets $ 2,400 $ 5,500  
Other Real Estate, Covered 0 $ 1,240 $ 3,011
Mortgage Loans in Process of Foreclosure, Amount $ 2,100