XML 52 R41.htm IDEA: XBRL DOCUMENT v3.20.2
Stock-Based Compensation - Compensation Expense (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total equity based compensation expense $ 5,515 $ 8,110 $ 16,651 $ 21,351
Restricted stock awards        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total equity based compensation expense 3,864 4,569 11,605 11,159
Stock option awards        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total equity based compensation expense 399 2,557 1,674 7,766
Performance stock units        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total equity based compensation expense 653 918 2,659 2,360
Employee Stock [Member]        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total equity based compensation expense 112 66 226 66
Equity [Member]        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total equity based compensation expense 5,028 8,110 16,164 21,351
Cash-settled Performance Stock        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total equity based compensation expense 197 0 197 0
Cash-settled Restricted Stock        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total equity based compensation expense 290 0 290 0
Liability Award [Member]        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total equity based compensation expense $ 487 $ 0 $ 487 $ 0