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Dividends Dividends | 12 Months Ended
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Dec. 31, 2017
Disclosure Cash Dividends [Abstract] |
Dividends | Dividends All dividends of the Company are made on a discretionary basis as determined by the Board. The Company declares and pays the dividend on its commons shares in U.S. dollars. Dividends declared in Canadian equivalent dollars during the year were as follows:
| 2017 |  | 2016
| Dividend |  | Dividend per share |  | Dividend |  | Dividend per share
Common shares | $ | 242,509 |  |  | $ | 0.6084 |  |  | $ | 149,158 |  |  | $ | 0.5452 |
Series A preferred shares | $ | 5,400 |  |  | $ | 1.1250 |  |  | $ | 5,400 |  |  | $ | 1.1250 |
Series D preferred shares | $ | 5,000 |  |  | $ | 1.2500 |  |  | $ | 5,000 |  |  | $ | 1.2500 |

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