XML 53 R42.htm IDEA: XBRL DOCUMENT v3.21.1
Income (Loss) Per Share - Additional Information (Details) - shares
shares in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Stock-based compensation    
INCOME PER SHARE    
Anti-dilutive securities excluded from EPS computation 0.2 0.1