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Earnings Per Common Share - Reconciliation of the Basic and Diluted EPS Denominators (Details) - shares
shares in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Reconciliation of the basic and diluted EPS denominators    
Basic weighted-average common shares 31,994 32,128
Dilutive effect of restricted common stock 364 174
Dilutive effect of Stock Warrants   136
Diluted weighted-average common shares 32,358 32,438