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Share Capital and Capital In Excess of Par Value | 9 Months Ended
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Sep. 30, 2019
Share Capital and Capital In Excess of Par Value |
Share Capital and Capital In Excess of Par Value | NOTE 4—Share Capital and Capital In Excess of Par Value: ​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Capital in |
​ | ​ | ​ | ​ | ​ | ​ | ​ | Class B | ​ | ​ | ​ | ​ | ​ | ​ | Excess |
​ | ​ | Common Stock | ​ | Common Stock | ​ | Treasury Stock | ​ | of Par |
​ |  | Shares |  | Amount |  | Shares |  | Amount |  | Shares |  | Amount |  | Value |
​ | ​ | (000’s) | ​ | ​ | ​ | ​ | (000’s) | ​ | ​ | ​ | ​ | (000’s) | ​ | ​ | ​ | ​ | ​ | ​ |
Balance at June 30, 2019 |  | 39,233 | ​ | $ | 27,245 |  | 26,302 | ​ | $ | 18,264 |  | 90 | ​ | $ | (1,992) | ​ | $ | 710,703 | ​
Issuance of 3% stock dividend |  | — | ​ |  | — |  | — | ​ |  | — |  | — | ​ |  | — | ​ |  | — | ​
Conversion of Class B common shares to common shares |  | 2 | ​ |  | — |  | (2) | ​ |  | — |  | — | ​ |  | — | ​ |  | — | ​
Purchase and retirement of common shares and other |  | (216) | ​ |  | (149) |  | — | ​ |  | — |  | — | ​ |  | — | ​ |  | (7,897) | ​
Balance at September 30, 2019 |  | 39,019 | ​ | $ | 27,096 |  | 26,300 | ​ | $ | 18,264 |  | 90 | ​ | $ | (1,992) | ​ | $ | 702,806 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance at June 30, 2018 |  | 38,645 | ​ | $ | 26,837 |  | 25,605 | ​ | $ | 17,781 |  | 88 | ​ | $ | (1,992) | ​ | $ | 699,965 | ​
Issuance of 3% stock dividend |  | — | ​ |  | — |  | — | ​ |  | — |  | — | ​ |  | — | ​ |  | — | ​
Conversion of Class B common shares to common shares |  | 6 | ​ |  | 5 |  | (6) | ​ |  | (5) |  | — | ​ |  | — | ​ |  | — | ​
Purchase and retirement of common shares and other |  | (30) | ​ |  | (22) |  | - | ​ |  | 1 |  | — | ​ |  | — | ​ |  | (825) | ​
Balance at September 30, 2018 |  | 38,621 | ​ | $ | 26,820 |  | 25,599 | ​ | $ | 17,777 |  | 88 | ​ | $ | (1,992) | ​ | $ | 699,140 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance at December 31, 2018 | ​ | 38,544 | ​ | $ | 26,767 |  | 25,584 | ​ | $ | 17,767 |  | 88 | ​ | $ | (1,992) | ​ | $ | 696,535 | ​
Issuance of 3% stock dividend |  | 1,150 | ​ | ​ | 798 |  | 767 | ​ | ​ | 532 |  | 2 | ​ | ​ | — | ​ | ​ | 32,999 | ​
Conversion of Class B common shares to common shares |  | 51 | ​ |  | 35 |  | (51) | ​ |  | (35) |  | — | ​ |  | — | ​ |  | — | ​
Purchase and retirement of common shares and other |  | (726) | ​ |  | (504) |  | — | ​ |  | — |  | — | ​ |  | — | ​ |  | (26,728) | ​
Balance at September 30, 2019 |  | 39,019 | ​ | $ | 27,096 |  | 26,300 | ​ | $ | 18,264 |  | 90 | ​ | $ | (1,992) | ​ | $ | 702,806 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance at December 31, 2017 | ​ | 37,960 | ​ | $ | 26,361 |  | 24,891 | ​ | $ | 17,285 |  | 85 | ​ | $ | (1,992) | ​ | $ | 656,752 | ​
Issuance of 3% stock dividend |  | 1,125 | ​ |  | 781 |  | 746 | ​ |  | 519 |  | 3 | ​ |  | — | ​ |  | 58,689 | ​
Conversion of Class B common shares to common shares |  | 38 | ​ |  | 27 |  | (38) | ​ |  | (27) |  | — | ​ |  | — | ​ |  | — | ​
Purchase and retirement of common shares and other |  | (502) | ​ |  | (349) |  | — | ​ |  | — |  | — | ​ |  | — | ​ |  | (16,301) | ​
Balance at September 30, 2018 |  | 38,621 | ​ | $ | 26,820 |  | 25,599 | ​ | $ | 17,777 |  | 88 | ​ | $ | (1,992) | ​ | $ | 699,140 | ​
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- Definition Disclosure related to accounts comprising shareholders' equity. Includes: (1) balances of common stock, treasury stock and capital in excess of par value; (2) amount and nature of changes in separate accounts, including issuance of stock dividends and purchases, retirements and conversions of common stock. + References No definition available. + Details
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