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Noncontrolling Interests | 3 Months Ended
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Mar. 31, 2025
Noncontrolling Interest [Abstract] |
Noncontrolling Interests | Noncontrolling Interests Noncontrolling interests consist of the ownership interests of noncontrolling shareholders in consolidated entities and are presented separately on the balance sheet. The following table presents the balance of noncontrolling interests included in White Mountains’s total equity and the related percentage of each consolidated entity’s total equity owned by noncontrolling shareholders as of March 31, 2025 and December 31, 2024:
|  | March 31, 2025 |  | December 31, 2024 |
$ in Millions |  | Noncontrolling Percentage (1) |  | Noncontrolling Equity |  | Noncontrolling Percentage (1) |  | Noncontrolling Equity |
Noncontrolling interests: |  |  |  |  |  |  |  |  |
Ark |  | 27.9 | % |  | $ | 416.0 |  | (2) | 27.9 | % |  | $ | 410.4 |  | (2)
HG Global |  | 3.1 | % |  | (12.5) |  |  | 3.1 | % |  | (13.4) |  |
Kudu |  | 8.8 | % |  | 126.4 |  | (3) | 9.6 | % |  | 127.6 |  | (3)
Bamboo |  | 27.2 | % |  | 91.1 |  |  | 27.2 | % |  | 113.6 |  |
Other |  | various |  | 9.1 |  |  | various |  | 9.1 |  |
Total noncontrolling interests |  |  |  | $ | 630.1 |  |  |  |  | $ | 647.3 |  |
(1) The noncontrolling percentage represents the basic ownership interests held by noncontrolling shareholders with the exception of HG Global, for which the noncontrolling percentage represents the preferred share ownership held by noncontrolling shareholders. (2) As of March 31, 2025 and December 31, 2024, Ark’s noncontrolling equity includes $47.2 and $42.9 related to management’s equity incentives. (3) As of March 31, 2025 and December 31, 2024, Kudu’s noncontrolling equity includes $43.1 and $47.9 related to management’s equity incentives.

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- Definition The entire disclosure for noncontrolling interest in consolidated subsidiaries, which could include the name of the subsidiary, the ownership percentage held by the parent, the ownership percentage held by the noncontrolling owners, the amount of the noncontrolling interest, the location of this amount on the balance sheet (when not reported separately), an explanation of the increase or decrease in the amount of the noncontrolling interest, the noncontrolling interest share of the net Income or Loss of the subsidiary, the location of this amount on the income statement (when not reported separately), the nature of the noncontrolling interest such as background information and terms, the amount of the noncontrolling interest represented by preferred stock, a description of the preferred stock, and the dividend requirements of the preferred stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 810 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/810/tableOfContent + Details
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- References No definition available. + Details
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