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Non-controlling Interests (Tables) | 3 Months Ended
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Mar. 31, 2022
Noncontrolling Interest [Abstract] |
Non-controlling Interests | The following table presents the balance of non-controlling interests included in White Mountains’s total equity and the ownership interests held by non-controlling shareholders as of March 31, 2022 and December 31, 2021:
|  | March 31, 2022 |  | December 31, 2021
$ in Millions |  | Non-controlling Percentage (1) |  | Non-controlling Equity |  | Non-controlling Percentage (1) |  | Non-controlling Equity
Non-controlling interests, excluding BAM |  |  |  |  |  |  |  |
HG Global |  | 3.1 | % |  | $ | 5.4 |  |  | 3.1 | % |  | $ | 8.9 |
Ark |  | 28.0 | % |  | 224.1 |  |  | 28.0 | % |  | 230.7 |
NSM |  | 3.5 | % |  | 16.7 |  |  | 3.5 | % |  | 16.7 |
Kudu |  | .9 | % |  | 17.3 |  |  | .7 | % |  | 12.4 |
Other |  | various |  | 11.2 |  |  | various |  | 11.9 |
Total, excluding BAM |  |  |  | 274.7 |  |  |  |  | 280.6 |
BAM |  | 100.0 | % |  | (147.5) |  |  | 100.0 | % |  | (124.0) |
Total non-controlling interests |  |  |  | $ | 127.2 |  |  |  |  | $ | 156.6 |
(1) The non-controlling percentage represents the basic ownership interests held by non-controlling shareholders with the exception of HG Global, for which the non-controlling percentage represents the preferred share ownership held by non-controlling shareholders.

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