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Earnings Per Common Share (Tables)
6 Months Ended
Jun. 30, 2021
Earnings Per Share [Abstract]  
Schedule of Basic Weighted Average Shares Reconciles to Diluted Weighted Average Shares
Basic weighted average shares outstanding reconciles to diluted weighted average shares outstanding as follows:
 Three Months Ended June 30,Six Months Ended June 30,
 2021202020212020
Basic weighted average common shares outstanding75,968 75,171 75,930 75,459 
Dilutive effect of stock options, restricted stock and performance share units461 766 455 739 
Diluted weighted average common shares outstanding76,429 75,937 76,385 76,198