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Debt (Tables) | 12 Months Ended
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Dec. 31, 2023
Debt Disclosure [Abstract] |
Schedule of debt outstanding | The following table presents White Mountains’s debt outstanding as of December 31, 2023 and 2022:
|  | December 31, |  | Effective |  | December 31, |  | Effective
$ in Millions |  | 2023 |  | Rate (1) |  | 2022 |  | Rate (1)
HG Global Senior Notes (2) |  | $ | 150.0 |  |  | 11.9% |  | $ | 150.0 |  |  | 8.9%
Unamortized discount and issuance cost |  | (3.1) |  |  |  |  | (3.5) |  |  |
HG Global Senior Notes, carrying value |  | 146.9 |  |  |  | 146.5 |  |  |
Ark 2007 Subordinated Notes, carrying value |  | 30.0 |  |  |  |  | 30.0 |  |  |
Ark 2021 Subordinated Notes Tranche 1 |  | 42.7 |  |  |  |  | 41.3 |  |  |
Ark 2021 Subordinated Notes Tranche 2 |  | 47.0 |  |  |  |  | 47.0 |  |  |
Ark 2021 Subordinated Notes Tranche 3 |  | 70.0 |  |  |  |  | 70.0 |  |  |
Unamortized issuance cost |  | (4.2) |  |  |  |  | (4.6) |  |  |
Ark 2021 Subordinated Notes, carrying value |  | 155.5 |  |  |  |  | 153.7 |  |  |
Total Ark Subordinated Notes, carrying value |  | 185.5 |  |  | 11.0% |  | 183.7 |  |  | 7.6%
Kudu Credit Facility |  | 210.3 |  |  | 10.1% |  | 215.2 |  |  | 6.1%
Unamortized issuance cost |  | (6.5) |  |  |  |  | (6.9) |  |  |
Kudu Credit Facility, carrying value |  | 203.8 |  |  |  |  | 208.3 |  |  |
Other Operations debt |  | 28.9 |  |  | 10.2% |  | 37.4 |  |  | 6.6%
Unamortized issuance cost |  | (.5) |  |  |  |  | (.7) |  |  |
Other Operations debt, carrying value |  | 28.4 |  |  |  |  | 36.7 |  |  |
Total debt |  | $ | 564.6 |  |  |  |  | $ | 575.2 |  |  |
(1) Effective rate includes the effect of the amortization of debt issuance costs and, where applicable, the original issue discount. (2) Effective rate excludes the effect of the interest rate cap. The following table presents the change in debt under the Credit Facility for the years ended December 31, 2023, 2022 and 2021:
|  | Year Ended December 31,
Millions |  | 2023 |  | 2022 |  | 2021
Kudu Credit Facility |  |  |  |  |  |
Beginning balance |  | $ | 215.2 |  |  | $ | 225.4 |  |  | $ | — |
Term loans |  |  |  |  |  |
Borrowings |  | 12.0 |  |  | 35.0 |  |  | 232.0 |
Repayments |  | (16.9) |  |  | (45.2) |  |  | (6.6) |
Ending balance |  | $ | 210.3 |  |  | $ | 215.2 |  |  | $ | 225.4 |
Schedule of contractual repayments of debt | The following table presents a schedule of contractual repayments of White Mountains’s debt as of December 31, 2023:
Millions |  | December 31, 2023
Due in one year or less |  | $ | 3.3 |
Due in two to three years |  | 11.2 |
Due in four to five years |  | 40.6 |
Due after five years |  | 523.8 |
Total |  | $ | 578.9 |

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