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Net Income Per Common Share - Potentially Dilutive Shares (Details) - $ / shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Number of shares (shares) 0 245,146 643
Minimum      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Range of exercise prices (usd per share) $ 0 $ 0 $ 0
Maximum      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Range of exercise prices (usd per share) $ 0 $ 0 $ 0