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Note 24 - Fair Value Measurements (Details) - Assets Measured at Fair Value Based on Significant Unobservable Inputs - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Assets:    
Beginning balance at December 31, $ 365 $ 219
Ending balance at December 31, 243 365
Liabilities:    
Beginning balance at December 31, 250  
Ending balance at December 31, 30 250
Assets:    
Realized gain (loss) included in earnings - net mortgage banking derivatives (122) 146
Realized (gain) loss included in earnings - net mortgage banking derivatives (220) 250
Equity Investment Other [Member]    
Assets:    
Beginning balance at December 31, 219 219
Ending balance at December 31, 219 219
Derivative Assets and Liabilities [Member]    
Assets:    
Beginning balance at December 31, 146  
Ending balance at December 31, 24 146
Liabilities:    
Beginning balance at December 31, 250  
Ending balance at December 31, 30 250
Assets:    
Realized gain (loss) included in earnings - net mortgage banking derivatives (122) 146
Realized (gain) loss included in earnings - net mortgage banking derivatives $ (220) $ 250