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Stock-Based Compensation Plans and Employee Benefits - Stock-Based Compensation and Long-Term Incentive Plan (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
May 31, 2019
Dec. 31, 2018
Share-based Payment Arrangement [Abstract]        
Stock-based compensation expense $ 16,270 $ 4,249    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares authorized for issuance (in shares)     8,900,000 8,000,000.0
Long-term Incentive Plan 2009        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares remaining available for issuance (in shares) 2,500,000