Employee Stock-Based Compensation - Expense (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
Share-based Payment Arrangement [Abstract] | |||
Total stock-based compensation expense | $ 51,419 | $ 53,694 | $ 29,583 |
Related income tax benefit | $ 3,375 | $ 6,573 | $ 5,143 |