Note 16 - National Commerce Corporation (Parent Company Only) Financial Information - Balance Sheets (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Assets        
Cash and due from banks $ 35,897 $ 27,173    
Other assets 4,755 5,428    
Total assets 1,950,784 1,763,369 $ 1,138,426  
Liabilities and Shareholders’ Equity        
Other liabilities 13,701 9,648    
Subordinated debt 24,500    
Total liabilities 1,713,740 1,546,733    
Commitments and contingencies    
Shareholders’ equity:        
Common stock 109 108    
Retained earnings 24,005 6,152    
Accumulated other comprehensive income 249 548    
Total shareholders' equity attributable to National Commerce Corporation 229,735 209,264    
Noncontrolling interest 7,309 7,372    
Total shareholders' equity 237,044 216,636 $ 136,161 $ 88,939
Total liabilities and shareholders' equity 1,950,784 1,763,369    
Parent Company [Member]        
Assets        
Cash and due from banks 26,348 7,009    
Investment in sudsidiaries 232,394 207,402    
Other assets 3,035 2,427    
Total assets 261,777 216,838    
Liabilities and Shareholders’ Equity        
Other liabilities 233 202    
Subordinated debt 24,500    
Total liabilities 24,733 202    
Commitments and contingencies    
Shareholders’ equity:        
Common stock 109 108    
Additonal paid-in capital 205,372 202,456    
Retained earnings 24,005 6,152    
Accumulated other comprehensive income 249 548    
Total shareholders' equity attributable to National Commerce Corporation 229,735 209,264    
Noncontrolling interest 7,309 7,372    
Total shareholders' equity 237,044 216,636    
Total liabilities and shareholders' equity $ 261,777 $ 216,838