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v3.20.1

Share Capital and Capital In Excess of Par Value (Details) - USD ($) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Dec. 31, 2019 | Dec. 31, 2018
Changes in share capital and capital in excess of par value |  |  |  |
Balance at the beginning of the period | $ 759,649 |  |  |
Purchase and retirement of common shares and other | $ (8,809) | $ (10,519) |  |
Purchase and retirement of common shares and other (in shares) | (260,000) | (285,000) |  |
Balance at the end of the period | $ 751,521 | $ 744,660 |  |
Treasury stock, shares | 93,000 | 90,000 | 90,000 |
Stock dividends (as a percent) | 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) |  |
Issuance of 3% stock dividend (in shares) | 3,000 | 2,000 |  |
Balance at the end of the period | $ (1,992) | $ (1,992) |  |
Treasury stock, shares | 93,000 | 90,000 | 90,000 | 88,000
Capital in Excess of Par Value |  |  |  |
Changes in share capital and capital in excess of par value |  |  |  |
Balance at the beginning of the period | $ 696,059 | $ 696,535 |  |
Issuance of 3% stock dividend | 42,243 | 32,999 |  |
Purchase and retirement of common shares and other | (8,629) | (10,322) |  |
Balance at the end of the period | 729,673 | 719,212 |  |
Class B Common Stock | Common Stock. |  |  |  |
Changes in share capital and capital in excess of par value |  |  |  |
Balance at the beginning of the period | $ 18,254 | $ 17,767 |  |
Balance at the beginning of the period (in shares) | 26,287,000 | 25,584,000 |  |
Issuance of 3% stock dividend | $ 547 | $ 532 |  |
Issuance of 3% stock dividend (in shares) | 786,000 | 767,000 |  |
Conversion of Class B common shares to common shares | $ (25) | $ (6) |  |
Conversion of Class B common shares to common shares (in shares) | (36,000) | (9,000) |  |
Balance at the end of the period | $ 18,776 | $ 18,293 |  |
Balance at the end of the period (in shares) | 27,037,000 | 26,342,000 |  |
Common Stock | Common Stock. |  |  |  |
Changes in share capital and capital in excess of par value |  |  |  |
Balance at the beginning of the period | $ 26,969 | $ 26,767 |  |
Balance at the beginning of the period (in shares) | 38,836,000 | 38,544,000 |  |
Issuance of 3% stock dividend | $ 803 | $ 798 |  |
Issuance of 3% stock dividend (in shares) | 1,157,000 | 1,150,000 |  |
Conversion of Class B common shares to common shares | $ 25 | $ 6 |  |
Conversion of Class B common shares to common shares (in shares) | 36,000 | 9,000 |  |
Purchase and retirement of common shares and other | $ (180) | $ (197) |  |
Purchase and retirement of common shares and other (in shares) | (260,000) | (285,000) |  |
Balance at the end of the period | $ 27,617 | $ 27,374 |  |
Balance at the end of the period (in shares) | 39,769,000 | 39,418,000 |  |

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