Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION (Summary of stock-based compensation expense) (Details)

v3.21.2
STOCK-BASED COMPENSATION (Summary of stock-based compensation expense) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Share-based Payment Arrangement, Expense $ 27,318 $ 56,695 $ 80,165 $ 106,965
Selling, General and Administrative Expenses [Member]        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Share-based Payment Arrangement, Expense 18,826 47,590 50,636 82,802
Corporate Expense [Member]        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Share-based Payment Arrangement, Expense $ 8,492 $ 9,105 $ 29,529 $ 24,163