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v3.23.3

Share Capital and Capital In Excess of Par Value (Details) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Changes in share capital and capital in excess of par value |  |  |  |
Balance at the beginning of the period |  |  | $ 782,882 |
Balance at the beginning of the period (in shares) |  |  | 99 |
Purchase and retirement of common shares and other |  |  | $ (27,550) | $ (8,024)
Purchase and retirement of common shares and other (in shares) |  |  | (747) | (230)
Balance at the end of the period | $ 803,567 | $ 783,323 | $ 803,567 | $ 783,323
Balance at the end of the period (in shares) | 102 | 99 | 102 | 99
Stock dividends (as a percent) | 3.00% | 3.00% | 3.00% | 3.00%
Treasury Stock |  |  |  |
Changes in share capital and capital in excess of par value |  |  |  |
Balance at the beginning of the period | $ (1,992) | $ (1,992) | $ (1,992) | $ (1,992)
Balance at the beginning of the period (in shares) | 102 | 99 | 99 | 96
Issuance of 3% stock dividend (in shares) |  |  | 3 | 3
Balance at the end of the period | $ (1,992) | $ (1,992) | $ (1,992) | $ (1,992)
Balance at the end of the period (in shares) | 102 | 99 | 102 | 99
Capital in Excess of Par Value |  |  |  |
Changes in share capital and capital in excess of par value |  |  |  |
Balance at the beginning of the period | $ 753,839 | $ 746,026 | $ 719,606 | $ 709,880
Issuance of 3% stock dividend |  |  | 50,648 | 41,068
Purchase and retirement of common shares and other | (10,891) | (2,942) | (27,306) | (7,864)
Balance at the end of the period | 742,948 | 743,084 | 742,948 | 743,084
Class B Common Stock | Common Stock. |  |  |  |
Changes in share capital and capital in excess of par value |  |  |  |
Balance at the beginning of the period | $ 20,453 | $ 19,877 | $ 19,866 | $ 19,300
Balance at the beginning of the period (in shares) | 29,452 | 28,623 | 28,607 | 27,793
Issuance of 3% stock dividend |  |  | $ 596 | $ 579
Issuance of 3% stock dividend (in shares) |  |  | 858 | 833
Conversion of Class B common shares to common shares |  |  | $ (9) | $ (3)
Conversion of Class B common shares to common shares (in shares) |  |  | (13) | (4)
Purchase and retirement of common shares and other |  |  |  | $ 1
Purchase and retirement of common shares and other (in shares) |  | (1) |  |
Balance at the end of the period | $ 20,453 | $ 19,877 | $ 20,453 | $ 19,877
Balance at the end of the period (in shares) | 29,452 | 28,622 | 29,452 | 28,622
Common Stock | Common Stock. |  |  |  |
Changes in share capital and capital in excess of par value |  |  |  |
Balance at the beginning of the period | $ 28,118 | $ 28,041 | $ 27,584 | $ 27,322
Balance at the beginning of the period (in shares) | 40,490 | 40,379 | 39,721 | 39,344
Issuance of 3% stock dividend |  |  | $ 823 | $ 817
Issuance of 3% stock dividend (in shares) |  |  | 1,185 | 1,176
Conversion of Class B common shares to common shares |  |  | $ 9 | $ 3
Conversion of Class B common shares to common shares (in shares) |  |  | 13 | 4
Purchase and retirement of common shares and other | $ (221) | $ (59) | $ (519) | $ (160)
Purchase and retirement of common shares and other (in shares) | (318) | (85) | (747) | (230)
Balance at the end of the period | $ 27,897 | $ 27,982 | $ 27,897 | $ 27,982
Balance at the end of the period (in shares) | 40,172 | 40,294 | 40,172 | 40,294

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- Definition Number of previously issued common shares repurchased by the issuing entity and held in treasury. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481549/505-30-45-1 + Details
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