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v3.22.2.2

Share Capital and Capital In Excess of Par Value (Details) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Changes in share capital and capital in excess of par value |  |  |  |
Balance at the beginning of the period |  |  | $ 768,797 |
Balance at the beginning of the period (in shares) |  |  | 96 |
Purchase and retirement of common shares |  |  | $ (8,024) | $ (30,184)
Purchase and retirement of common shares (in shares) |  |  | (230) | (921)
Balance at the end of the period | $ 783,323 | $ 756,516 | $ 783,323 | $ 756,516
Balance at the end of the period (in shares) | 99 | 96 | 99 | 96
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) | 99 | 96 | 96 | 93
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) | 99 | 96 | 99 | 96
Capital in Excess of Par Value |  |  |  |
Changes in share capital and capital in excess of par value |  |  |  |
Balance at the beginning of the period | $ 746,026 | $ 722,617 | $ 709,880 | $ 706,930
Issuance of 3% stock dividend |  |  | 41,068 | 32,495
Purchase and retirement of common shares | (2,942) | (12,737) | (7,864) | (29,545)
Balance at the end of the period | 743,084 | 709,880 | 743,084 | 709,880
Class B Common Stock | Common Stock. |  |  |  |
Changes in share capital and capital in excess of par value |  |  |  |
Balance at the beginning of the period | $ 19,877 | $ 19,320 | $ 19,300 | $ 18,758
Balance at the beginning of the period (in shares) | 28,623 | 27,821 | 27,793 | 27,012
Issuance of 3% stock dividend |  |  | $ 579 | $ 562
Issuance of 3% stock dividend (in shares) |  |  | 833 | 809
Conversion of Class B common shares to common shares |  | $ (11) | $ (3) | $ (11)
Conversion of Class B common shares to common shares (in shares) |  | (16) | (4) | (16)
Purchase and retirement of common shares |  |  | $ 1 |
Purchase and retirement of common shares (in shares) | (1) |  |  |
Balance at the end of the period | $ 19,877 | $ 19,309 | $ 19,877 | $ 19,309
Balance at the end of the period (in shares) | 28,622 | 27,805 | 28,622 | 27,805
Common Stock | Common Stock. |  |  |  |
Changes in share capital and capital in excess of par value |  |  |  |
Balance at the beginning of the period | $ 28,041 | $ 27,569 | $ 27,322 | $ 27,134
Balance at the beginning of the period (in shares) | 40,379 | 39,700 | 39,344 | 39,073
Issuance of 3% stock dividend |  |  | $ 817 | $ 808
Issuance of 3% stock dividend (in shares) |  |  | 1,176 | 1,163
Conversion of Class B common shares to common shares |  | $ 11 | $ 3 | $ 11
Conversion of Class B common shares to common shares (in shares) |  | 16 | 4 | 16
Purchase and retirement of common shares | $ (59) | $ (266) | $ (160) | $ (639)
Purchase and retirement of common shares (in shares) | (85) | (384) | (230) | (920)
Balance at the end of the period | $ 27,982 | $ 27,314 | $ 27,982 | $ 27,314
Balance at the end of the period (in shares) | 40,294 | 39,332 | 40,294 | 39,332

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