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EARNINGS PER COMMON SHARE - Additional Information (Detail) - $ / shares
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Earnings Per Share Disclosure [Line Items]      
Investment Warrants, Exercise Price $ 12.12    
Preferred Stock, Shares Outstanding 0 0 0
Preferred Stock, Shares Authorized 10,000,000 10,000,000  
Antidilutive Stock Options      
Earnings Per Share Disclosure [Line Items]      
Stock options and warrants with an exercise price greater than the average market price of the common shares not included in the computation of net income per diluted share 0 0 0
Antidilutive Warrants      
Earnings Per Share Disclosure [Line Items]      
Stock options and warrants with an exercise price greater than the average market price of the common shares not included in the computation of net income per diluted share   104,200 114,678
MainSource [Member]      
Earnings Per Share Disclosure [Line Items]      
Investment Warrants, Exercise Price $ 10.62    
MainSource [Member] | Antidilutive Warrants      
Earnings Per Share Disclosure [Line Items]      
Stock options and warrants with an exercise price greater than the average market price of the common shares not included in the computation of net income per diluted share 804,858