XML 30 R34.htm IDEA: XBRL DOCUMENT v3.20.1
Earnings per Share - Additional Information (Details) - shares
shares in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Earnings Per Share [Abstract]    
Antidilutive stock options excluded from earnings per share calculations (shares) 1,033 1,083