Summary of Significant Accounting Policies - Company's Income from Investments Held in Employee Deferred Compensation Trusts (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2022 |
Sep. 30, 2021 |
Sep. 30, 2022 |
Sep. 30, 2021 |
|
| Accounting Policies [Abstract] | ||||
| Dividend income | $ (966) | $ (4,565) | $ (3,576) | $ (7,414) |
| Realized and unrealized (gains) losses | 16,301 | 6,324 | 114,534 | (30,625) |
| (Income) loss from investments held in employee deferred compensation trusts | $ 15,335 | $ 1,759 | $ 110,958 | $ (38,039) |