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Earnings Per Share - Reconciliation of the Weighted Average Number of Common Shares Outstanding (Details) - shares
shares in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Dec. 31, 2018
Earnings Per Share [Abstract]        
Common shares outstanding, beginning of the period 12,462   12,462 12,408
Weighted average number of common shares outstanding 12,462 12,408    
Dilutive effect of common share equivalents 146      
Diluted weighted average number of common shares outstanding 12,608 12,408