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Stock-Based Compensation - Compensation Expense (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total equity based compensation expense $ 19,141 $ 4,727 $ 34,140 $ 11,136
Restricted stock awards        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total equity based compensation expense 3,536 3,387 7,142 7,741
Stock option awards        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total equity based compensation expense 234 291 505 1,275
Performance stock units        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total equity based compensation expense 646 1,003 1,285 2,006
Employee Stock [Member]        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total equity based compensation expense 65 46 134 114
Equity [Member]        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total equity based compensation expense 4,481 4,727 9,066 11,136
Cash-settled Performance Stock        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total equity based compensation expense 10,013 0 17,119 0
Cash-settled Restricted Stock        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total equity based compensation expense 4,647 0 7,955 0
Liability Award [Member]        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total equity based compensation expense $ 14,660 $ 0 $ 25,074 $ 0