XML 77 R66.htm IDEA: XBRL DOCUMENT v3.21.2
EARNINGS PER SHARE - Narrative (Detail) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Earnings Per Share [Abstract]        
Average outstanding options excluded from diluted earnings per share (in shares) 0 6,110 0 21,479