Shareholder-Designated Charitable Contributions (Details) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Shareholder-Designated Charitable Contributions [Abstract] | ||
| Expense related to shareholder-designated charitable contribution program | $ 11.3 | $ 5.4 |