XML 97 R73.htm IDEA: XBRL DOCUMENT v3.19.3
EARNINGS PER SHARE - Additional Information (Detail) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Employee Stock Option        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Shares excluded from diluted earnings per share that may be issued upon the exercise of employee stock options because such effect would be antidilutive 300,000 0 700,000 100,000