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Dividends (Tables) | 12 Months Ended
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Dec. 31, 2020
Earnings Per Share [Abstract] |
Summary of Declared Dividends | Dividends. On March 4, 2021, the Company’s Board of Directors declared the following dividends:
|  | Dividend |  | Payable on: |  | Record Date:
5.950 % Preference Shares (AHL PRC) |  | $ | 0.3719 |  |  | April 1, 2021 |  | March 15, 2021
5.625 %Preference Shares (AHL PRD) |  | $ | 0.3516 |  |  | April 1, 2021 |  | March 15, 2021
5.625 %Preference Shares, represented by depositary shares (AHL PRE)(1) |  | $ | 351.56 |  |  | April 1, 2021 |  | March 15, 2021
______________ (1) The newly-designated 5.625 % Preference Shares are represented by depositary shares, each representing a 1/1000 th interest in a share of the 5.625 % Preference Shares. The dividend paid per depositary share is likewise 1/1000 th of the declared dividend, equivalent to $0.35156 per depositary share.

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- Definition Tabular disclosure of all or some of the information related to dividends declared, but not paid, as of the financial reporting date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586 + Details
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