Note 16 - Parent Company - Balance Sheets (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Cash and due from banks $ 18,183 $ 14,996    
Total assets 1,357,283 1,342,313    
Accounts payable and accrued expenses 16,452 14,579    
Total liabilities 1,216,169 1,194,972    
Total stockholders' equity 141,114 147,341 $ 134,536 $ 110,608
Total liabilities and stockholders' equity 1,357,283 1,342,313    
Parent Company [Member]        
Cash and due from banks 1,975 1,610    
Investment in subsidiary bank 139,093 145,156    
Other assets 920 1,062    
Total assets 141,988 147,828    
Accounts payable and accrued expenses 874 487    
Total liabilities 874 487    
Total stockholders' equity 141,114 147,341    
Total liabilities and stockholders' equity $ 141,988 $ 147,828