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Consolidated Statements of Changes in Equity (Parenthetical) - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Dividends declared |  |  |
Dividends declared - common (in dollars per share) | $ 0.375 | $ 0.485 | $ 0.43
Paid-in-kind dividend (in dollars per share) | $ 2.19 |  |
3.125% Senior Convertible Notes |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate |  | 3.125% | 3.125%
Unsecured notes | 3.125% Senior Convertible Notes |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 3.125% | 3.125% | 3.125%

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