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Note 6 - Deposits (Details) - Components of Interest-bearing Deposits - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Components of Interest-bearing Deposits [Abstract]    
Interest-Bearing Demand $ 358,142 $ 363,501
Savings 63,388 59,215
Time, $100,000 and Over 207,988 210,503
Other Time 202,723 217,744
$ 832,241 $ 850,963