XML 44 R33.htm IDEA: XBRL DOCUMENT v3.21.2
Earnings per Share - Narrative (Details) - shares
shares in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Earnings Per Share [Abstract]        
Antidilutive securities excluded from diluted earnings per share calculation (in shares) 0 508 0 508