Consolidated Statements of Shareholders' Equity (Parenthetical) - $ / shares |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Statement of Stockholders' Equity [Abstract] | ||||
| Common Treasury Shares | 40,501,644 | 41,391,555 | 42,494,684 | 45,243,329 |
| Cash dividends declared per common share (in dollars per share) | $ 0 | $ 0 | $ 0 | |