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Stock-based Compensation - RSU and PRSU Activity Narrative (Details) - shares
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended 29 Months Ended
Aug. 31, 2017
Dec. 31, 2019
Dec. 31, 2019
Jun. 30, 2018
Dec. 31, 2019
Performance-Based Restricted Stock Units (PRSUs)          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of awards 2        
Stock option expected life (in years) 1 year        
Vested in current period (in shares)   6,000      
Performance-Based Restricted Stock Units (PRSUs), One-Year          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Increase in units for meeting metrics, percentage 200.00%     200.00%  
Performance-Based Restricted Stock Units (PRSUs), One-Year | Year one          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock option and restricted stock units vesting rights, percentage 50.00%   30.00% 50.00%  
Performance-Based Restricted Stock Units (PRSUs), One-Year | Quarterly          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock option and restricted stock units vesting rights, percentage 5.00%        
Vesting period (in years) 30 months        
Performance-Based Restricted Stock Units (PRSUs) Two-Year          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock option expected life (in years) 2 years        
Increase in units for meeting metrics, percentage 100.00%        
Vested in current period (in shares)         0
Performance-Based Restricted Stock Units (PRSUs) Two-Year | Year one          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock option and restricted stock units vesting rights, percentage 50.00%        
Performance-Based Restricted Stock Units (PRSUs) Two-Year | Quarterly          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock option and restricted stock units vesting rights, percentage 5.00%        
Vesting period (in years) 30 months