Quarterly report pursuant to Section 13 or 15(d)

Document And Entity Information

v3.5.0.2
Document And Entity Information - shares
6 Months Ended
Jun. 30, 2016
Jul. 29, 2016
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jun. 30, 2016  
Document Fiscal Year Focus 2016  
Document Fiscal Period Focus Q2  
Entity Registrant Name ServisFirst Bancshares, Inc.  
Entity Central Index Key 0001430723  
Current Fiscal Year End Date --12-31  
Entity Filer Category Large Accelerated Filer  
Trading Symbol SFBS  
Entity Common Stock, Shares Outstanding   26,251,948