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Share-Based Payments - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Apr. 16, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Recognized stock-based compensation expense $ 4,252 $ 4,294 $ 8,515 $ 8,195  
Restricted Stock          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Unrecognized stock-based compensation expense 400   400    
RSU          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Unrecognized stock-based compensation expense $ 27,000   $ 27,000    
LTIP          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares authorized (in shares)         7,000,000
Common stock, shares delivered (in shares)     503,251 433,426  
LTIP | RSU          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock units vested (in shares)     868,157 730,717  
Adjustments to additional paid in capital, income tax deficiency from share-based compensation     $ 6,500 $ 5,000