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Derivatives | 12 Months Ended
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Dec. 31, 2024
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Derivatives | Derivatives HG Global Interest Rate Caps HG Global entered into two interest rate cap agreements to limit its exposure to the risk of interest rate increases on the HG Global Senior Notes. On June 16, 2022, HG Global entered into the HG Global 2022 Interest Rate Cap, effective on July 25, 2022. The notional amount of the HG Global 2022 Interest Rate Cap is $150.0 million, and the termination date is July 25, 2025. HG Global paid initial premiums of $3.3 million for the HG Global 2022 Interest Rate Cap. On August 22, 2024, HG Global entered into the HG Global 2024 Interest Rate Cap, which is effective upon the termination of the HG Global 2022 Interest Rate Cap on July 25, 2025. The initial notional amount of the HG Global 2024 Interest Rate Cap is $150.0 million, and the termination date is July 25, 2028. For interest periods after April 26, 2027, the notional amount of the HG Global 2024 Interest Rate Cap will decrease as the outstanding principal of the HG Global Senior Notes is paid down. HG Global paid initial premiums of $1.3 million for the HG Global 2024 Interest Rate Cap. Under the interest rate caps, if the three-month SOFR on a quarterly determination date exceeds 3.5% through July 25, 2025 or 4.5% between July 25, 2025 and July 25, 2028, HG Global will receive a payment from the counterparty for the difference on the subsequent settlement date. As of December 31, 2024, the three-month SOFR was 4.3%. HG Global accounts for the interest rate caps as derivatives at fair value within other assets, with changes in fair value recognized in current period earnings within interest expense. For the year ended December 31, 2024, White Mountains recognized a net unrealized loss of $1.7 million related to the change in fair value on both interest rate caps within interest expense. For the year ended December 31, 2023, White Mountains recognized a net unrealized loss of $1.2 million related to the change in fair value on the HG Global 2022 Interest Rate Cap within interest expense. For the years ended December 31, 2024 and 2023, White Mountains received $2.8 million and $2.0 million related to the periodic settlements of the HG Global 2022 Interest Rate Cap. As of December 31, 2024, the total fair value of both interest rate caps was $2.5 million. As of December 31, 2023, the fair value of the HG Global 2022 Interest Rate Cap was $2.9 million. White Mountains classifies the interest rate caps as Level 2 measurements. Kudu Interest Rate Cap On September 17, 2024, Kudu entered into the Kudu Interest Rate Cap, effective on September 30, 2024, to limit its exposure to the risk of interest rate increases on the Kudu Credit Facility. The notional amount of the Kudu Interest Rate Cap is $150.0 million, and the termination date is September 30, 2027. Kudu paid initial premiums of $0.9 million for the Kudu Interest Rate Cap. Under the Kudu Interest Rate Cap, if the three-month SOFR on a quarterly determination date exceeds 4.5%, Kudu will receive a payment from the counterparty for the difference on the subsequent settlement date. As of December 31, 2024, the three-month SOFR was 4.3%. Kudu accounts for the Kudu Interest Rate Cap as a derivative at fair value within other assets, with changes in fair value recognized in current period earnings within interest expense. For the year ended December 31, 2024, White Mountains recognized a gain of $0.4 million related to the change in fair value on the Kudu Interest Rate Cap within interest expense. For the year ended December 31, 2024, White Mountains received $0.1 million related to the periodic settlement of the interest rate cap. As of December 31, 2024, the fair value of the Kudu Interest Rate Cap was $0.9 million. White Mountains classifies the Kudu Interest Rate Cap as a Level 2 measurement.

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- Definition The entire disclosure for derivative instruments and hedging activities including, but not limited to, risk management strategies, non-hedging derivative instruments, assets, liabilities, revenue and expenses, and methodologies and assumptions used in determining the amounts. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480237/815-40-50-5 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5C -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-5C Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 815 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/815/tableOfContent + Details
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