XML 153 R139.htm IDEA: XBRL DOCUMENT v3.22.0.1
Earnings Per Share - Schedule of Shares not Considered in Computing Diluted Earnings per Common Share (Details) - shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Stock Options      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive shares (in shares) 16,939 64,947 66,019
Restricted Stock Awards      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive shares (in shares) 8,463 0 0
Restricted Stock Units (RSUs)      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive shares (in shares) 15,000 0 0
Market Based Performance Stock Units (Market Based PSUs)      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive shares (in shares) 0 0 55,228
Performance Stock Units - Performance Based      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive shares (in shares) 259,383 256,625 254,000
Employee Stock Purchase Plan      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive shares (in shares) 0 0 0