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Equity-Method Eligible Investments (Tables) | 12 Months Ended
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Dec. 31, 2019
Schedule of Equity Method Investments [Line Items] |
Schedule of changes in unconsolidated affiliates | The following table presents the carrying values of White Mountains’s equity method eligible investments recorded within other long-term investments as of December 31, 2019 and 2018:
|  | December 31,
Millions |  | 2019 |  | 2018
Equity method eligible investments, at fair value |  | $ | 761.7 |  |  | $ | 269.7 |
Other (1) |  | 94.6 |  |  | 55.9 |
Total other long-term investments |  | $ | 856.3 |  |  | $ | 325.6 |
(1) Consists of other long-term investments that are not equity method eligible
Summarized statement of financial position | The following table presents White Mountains’s significant equity method eligible investments as of December 31, 2019 and 2018:
|  | Basic Ownership Interest |  |
Investee |  | December 31, 2019 |  | December 31, 2018 |  | Instrument Held
PassportCard/DavidShield |  | 50.0% |  | 50.0% |  | Common shares
MediaAlpha (1) |  | 48.3% |  | n/a |  | Units
durchblicker |  | 45.0% |  | 45.0% |  | Common shares
Elementum Holdings, L.P. |  | 30.0% |  | n/a |  | Limited partnership interest
Compare.com |  | 18.4% |  | 18.4% |  | Common shares
Tuckerman Capital Funds (2) |  | 17.5 - 62.4% |  | 18.5 - 62.3% |  | Limited and general partnership interests
JAM Partners L.P. |  | 11.1% |  | 12.3% |  | Limited partnership interest
Enlightenment Capital Funds |  | 10.0 - 38.4% |  | 10.3 - 36.5% |  | Limited and general partnership interests
Kudu’s Participation Contracts (3) |  | 3.2 - 30.0% |  | n/a |  | Revenue and earnings participation contracts
Kudu (3) |  | n/a |  | 49.5% |  | Units
(1) As of December 31, 2018, MediaAlpha was a majority-owned consolidated subsidiary of White Mountains. See Note 2 — “Significant Transactions” (2) As of December 31, 2018, includes White Mountains’s direct investment in Galvanic Applied Sciences. (3) As of December 31, 2019 White Mountains consolidates Kudu. See Note 2 — “Significant Transactions”.
Financials |
Schedule of Equity Method Investments [Line Items] |
Summarized statement of financial position | The following tables present aggregated summarized financial information for White Mountains’s investments in equity method eligible unconsolidated entities, excluding MediaAlpha:
|  | December 31,
Millions |  | 2019 |  | 2018
Balance sheet data (1): |  |  |  |
Total assets |  | $ | 1,959.2 |  |  | $ | 1,373.3 |
Total liabilities |  | $ | 653.2 |  |  | $ | 509.2 |
(1) Financial data for White Mountains’s equity method eligible investees is generally reported on a one-quarter lag.
|  | Year Ended December 31,
Millions |  | 2019 |  | 2018 |  | 2017
Income statement data (1): |  |  |  |  |  |
Revenues |  | $ | 344.6 |  |  | $ | 226.0 |  |  | $ | 143.3 |
Expenses |  | $ | 88.3 |  |  | $ | 141.4 |  |  | $ | 80.5 |
Net Income |  | $ | 255.1 |  |  | $ | 83.6 |  |  | $ | 65.3 |
(1) Financial data for White Mountains’s equity method eligible investees is generally reported on a one-quarter lag. The following tables present summarized financial information for MediaAlpha:
|  | December 31,
Millions |  | 2019 |  | 2018
Balance sheet data: |  |  |  |
Total assets |  | $ | 106.9 |  |  | $ | 88.5 |
Total liabilities |  | $ | 144.6 |  |  | $ | 46.9 |
|  | Year Ended December 31,
Millions |  | 2019 |  | 2018 |  | 2017
Income statement data: |  |  |  |  |  |
Total revenues |  | $ | 407.9 |  |  | $ | 297.1 |  |  | $ | 163.2 |
Total expenses |  | $ | 389.0 |  |  | $ | 288.2 |  |  | $ | 163.5 |
Net income (loss) |  | $ | 18.9 |  |  | $ | 8.9 |  |  | $ | (0.3 | )

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