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v3.23.1

Stockholders' equity and dividend payment, Stockholders' equity (Details) | 12 Months Ended
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Dec. 31, 2022 Vote $ / shares shares | Dec. 31, 2021 shares
Common Stock [Abstract] |  |
Number of vote per common stock | Vote | 1 |
Common Stock [Member] |  |
Stockholders' Equity [Abstract] |  |
Issued, Beginning balance (in shares) | 166,126,770 | 170,798,328
Restricted stock issued (in shares) | 852,948 | 841,696
Retirement of treasury shares (in shares) | (4,326,379) | (5,513,254)
Issued, Ending balance (in shares) | 162,653,339 | 166,126,770
Par value (in dollars per share) | $ / shares | $ 0.01 |
Number of shares authorized for issue (in shares) | 250,000,000 |

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