Annual report pursuant to Section 13 and 15(d)

COMMON STOCK (Additional Information) (Details)

v3.6.0.2
COMMON STOCK (Additional Information) (Details) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 12 Months Ended
Jan. 31, 2015
May 19, 2014
Dec. 31, 2016
Dec. 31, 2014
Stock Issued During Period, Shares, New Issues       3,750,000
Payments to Acquire Businesses, Gross $ 20,926      
Stockholders' Equity Note, Stock Split     2-for-1 common stock split 3-for-1 common stock split
Metro Bancshares, Inc [Member]        
Payments to Acquire Businesses, Gross $ 20,900      
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares 1,273,184      
IPO [Member]        
Stock Issued During Period, Shares, New Issues   3,750,000    
Sale of Stock, Price Per Share   $ 15.167    
Proceeds from Issuance of Private Placement   $ 52,100