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Related parties (Schedule of Controlling Interests) (Details) - shares | Dec. 31, 2022 | Dec. 31, 2021 | Jan. 16, 2020
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Disclosure of classes of share capital [line items] |  |  |
Number of shares issued | 57,621,998 | 60,238,026 |
Percentage of voting equity interests acquired | 100.00% |  | 100.00%
James F. Park [Member] |  |  |
Disclosure of classes of share capital [line items] |  |  |
Number of shares issued | 8,817,251 |  |
Percentage of voting equity interests acquired | 15.30% |  |
Compass Group LLC [Member] |  |  |
Disclosure of classes of share capital [line items] |  |  |
Number of shares issued | 7,525,160 |  |
Percentage of voting equity interests acquired | 13.06% |  |
Gerald O'Shaughnessy [Member] |  |  |
Disclosure of classes of share capital [line items] |  |  |
Number of shares issued | 5,545,080 |  |
Percentage of voting equity interests acquired | 9.62% |  |
Renaissance Technologies LLC |  |  |
Disclosure of classes of share capital [line items] |  |  |
Number of shares issued | 3,106,263 |  |
Percentage of voting equity interests acquired | 5.39% |  |
Other shareholders [Member] |  |  |
Disclosure of classes of share capital [line items] |  |  |
Number of shares issued | 32,628,244 |  |
Percentage of voting equity interests acquired | 56.62% |  |

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