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Preferred Shares - Series Cumulative Redeemable Rate Reset Preferred Shares Conversion (Details) - $ / shares |  | 12 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 13, 2021 | Dec. 31, 2021 | Dec. 31, 2020 | Mar. 31, 2021 | Mar. 18, 2021
Disclosure of classes of share capital [line items] |  |  |  |  |
Dividends declared per share | $ 0.05 |  |  |  |
Series G |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Number of shares outstanding |  | 6,600,000 | 6,600,000 |  |
Dividends declared per share | 0.3118 |  |  |  |
Number of shares issued |  | 6,600,000 | 6,600,000 |  |
Series E |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Number of shares outstanding |  | 9,000,000.0 | 9,000,000.0 |  |
Dividends declared per share | 0.3246 |  |  |  |
Number of shares issued |  | 9,000,000.0 | 9,000,000.0 |  |
Series C |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Number of shares outstanding |  | 11,000,000.0 | 11,000,000.0 |  |
Dividends declared per share | 0.2517 |  |  |  |
Number of shares issued |  | 11,000,000.0 | 11,000,000.0 |  |
Series A |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Convertible preferred shares tendered for conversion |  |  |  |  | 1,417,338
Number of shares outstanding |  | 9,600,000 | 10,200,000 | 9,600,000 |
Dividends declared per share | 0.1798 |  |  |  |
Number of shares issued |  | 9,600,000 | 10,200,000 | 9,600,000 |
Series B |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Convertible preferred shares tendered for conversion |  |  |  |  | 871,871
Dividend rate on preference shares, spread |  | 2.03% | 2.03% |  |
Number of shares outstanding |  | 2,400,000 | 1,800,000 | 2,400,000 |
Dividends declared per share | $ 0.1331 |  |  |  |
Number of shares issued |  | 2,400,000 | 1,800,000 | 2,400,000 |

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- Definition The amount, per share, of dividends proposed or declared before financial statements were authorised for issue but not recognised as distribution to owners. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 137 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_137_a&doctype=Standard -URIDate 2021-03-24 + Details
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