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Earnings Per Share - Schedule of Antidilutive Securities Excluded from Calculation of Net Income Per Diluted Share (Details) - shares
shares in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Stock options and restricted common shares    
Antidilutive Securities    
Anti-dilutive securities excluded from computation of earnings per share (in shares) 1,199 1,356