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Earnings Per Common Share (EPS) - Diluted EPS (Details) - $ / shares
shares in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Earnings Per Share, Basic and Diluted [Abstract]      
Average common shares outstanding (in shares) 56,145 55,434 55,075
Effect of dilutive stock awards (in shares) 1,214   1,160
Total potential shares outstanding (in shares) 57,359 55,434 56,235
Diluted EPS (in dollars per share) $ 0.84 $ (0.18) $ 0.10
Equity awards excluded as the impact was anti-dilutive (in shares) 799 4,216 1,750