Investments - Summary of Cost and Fair Value of Deferred Compensation Plan Investments (Details) - Deferred Compensation Plan Investments - USD ($) $ in Thousands |
12 Months Ended | |
---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
Schedule Of Trading Securities And Other Trading Assets [Line Items] | ||
Cost | $ 27,174 | $ 21,205 |
Gross Unrealized Gains | 4,266 | 1,725 |
Gross Unrealized (Losses) | (628) | (359) |
Trading securities, at fair value | $ 30,812 | $ 22,571 |