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v3.23.2

Share Capital and Capital In Excess of Par Value (Details) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 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 |  |  | $ (16,548) | $ (5,023)
Purchase and retirement of common shares and other (in shares) |  |  | (429) | (145)
Balance at the end of the period | $ 785,074 | $ 769,015 | $ 785,074 | $ 769,015
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 | $ 768,676 | $ 749,819 | $ 719,606 | $ 709,880
Issuance of 3% stock dividend |  |  | 50,648 | 41,068
Purchase and retirement of common shares and other | (14,837) | (3,793) | (16,415) | (4,922)
Balance at the end of the period | 753,839 | 746,026 | 753,839 | 746,026
Class B Common Stock | Common Stock. |  |  |  |
Changes in share capital and capital in excess of par value |  |  |  |
Balance at the beginning of the period | $ 20,460 | $ 19,879 | $ 19,866 | $ 19,300
Balance at the beginning of the period (in shares) | 29,463 | 28,626 | 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 | $ (7) | $ (3) | $ (9) | $ (3)
Conversion of Class B common shares to common shares (in shares) | (11) | (4) | (13) | (4)
Purchase and retirement of common shares and other |  | $ 1 |  | $ 1
Purchase and retirement of common shares and other (in shares) |  | 1 |  | 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 | 28,623 | 29,452 | 28,623
Common Stock | Common Stock. |  |  |  |
Changes in share capital and capital in excess of par value |  |  |  |
Balance at the beginning of the period | $ 28,383 | $ 28,116 | $ 27,584 | $ 27,322
Balance at the beginning of the period (in shares) | 40,871 | 40,487 | 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 | $ 7 | $ 3 | $ 9 | $ 3
Conversion of Class B common shares to common shares (in shares) | 11 | 4 | 13 | 4
Purchase and retirement of common shares and other | $ (272) | $ (78) | $ (298) | $ (101)
Purchase and retirement of common shares and other (in shares) | (392) | (112) | (429) | (145)
Balance at the end of the period | $ 28,118 | $ 28,041 | $ 28,118 | $ 28,041
Balance at the end of the period (in shares) | 40,490 | 40,379 | 40,490 | 40,379

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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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