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Earnings Per Share - Schedule of Dilutive Effect of Stock Options RSUs and PSAs (Details) - shares
shares in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Earnings Per Share [Abstract]      
Basic weighted-average shares outstanding 18,868 18,841 18,816
Effect of potential exercise of stock options, RSUs, and PSAs 256 294 408
Diluted weighted-average shares outstanding 19,124 19,135 19,224