XML 68 R56.htm IDEA: XBRL DOCUMENT v3.21.2
Earnings Per Common Share - Additional Information (Details) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Earnings Per Share Basic [Abstract]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 0 27,341 0 25,329