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Stock Compensation - Narrative (Details) - $ / shares
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Anti-dilutive awards outstanding (fewer than) (in shares) 125,000 125,000
Restricted Stock Units (RSUs)    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Granted (in shares) 70,000  
Relative Total Shareholder Return Awards (RTSRs)    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share performance period 3 years  
Bottom portion of peer percent group (as a percent) 25.00%  
Top portion of peer percent group (as a percent) 25.00%  
Relative Total Shareholder Return Awards (RTSRs) | Minimum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares, issued (in shares) 0  
Relative Total Shareholder Return Awards (RTSRs) | Maximum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares issued (as a percent) 150.00%  
Director | Restricted Stock Units (RSUs)    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Granted (in shares) 14,000  
Restricted stock units granted (in dollars per share) $ 48.47  
Employee | Relative Total Shareholder Return Awards (RTSRs)    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Granted (in shares) 40,000  
Restricted stock units granted (in dollars per share) $ 56.32