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v3.23.1

Segment Information - Financial Information for White Mountain's Segments (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Segment Reporting Information [Line Items] |  |
Earned insurance premiums | $ 262.8 | $ 202.8
Net investment income | 39.0 | 20.6
Net investment income (expense) - BAM Surplus Note interest | 0.0 | 0.0
Net realized and unrealized investment gains (losses) | 112.9 | (8.4)
Net realized and unrealized investment gains (losses) from investment in MediaAlpha | 85.2 | 18.8
Commission revenues | 3.3 | 2.9
Other revenues | 28.7 | 23.7
Total revenues | 531.9 | 260.4
Loss and loss adjustment expenses | 147.8 | 122.0
Acquisition expenses | 62.5 | 52.9
Cost of sales | 13.9 | 21.4
General and administrative expenses | 96.0 | 69.9
Change in fair value of contingent consideration | (2.4) | 2.1
Interest expense | 15.0 | 6.9
Total expenses | 332.8 | 275.2
Pre-tax income (loss) from continuing operations | 199.1 | (14.8)
Financial Guarantee (HG Global/BAM) |  |
Segment Reporting Information [Line Items] |  |
Earned insurance premiums | 7.7 | 8.4
Net investment income | 7.2 | 4.6
Net realized and unrealized investment gains (losses) | 17.0 | (45.1)
Other revenues | 0.8 | 0.8
Total revenues | 32.7 | (31.3)
Acquisition expenses | 2.7 | 3.0
General and administrative expenses | 17.3 | 16.3
Interest expense | 4.5 | 0.0
Total expenses | 24.5 | 19.3
Financial Guarantee (HG Global/BAM) | HG Global |  |
Segment Reporting Information [Line Items] |  |
Earned insurance premiums | 6.4 | 6.9
Net investment income | 4.0 | 2.1
Net investment income (expense) - BAM Surplus Note interest | 6.6 | 2.9
Net realized and unrealized investment gains (losses) | 7.9 | (23.5)
Net realized and unrealized investment gains (losses) from investment in MediaAlpha | 0.0 | 0.0
Commission revenues | 0.0 | 0.0
Other revenues | 0.0 | 0.1
Total revenues | 24.9 | (11.5)
Loss and loss adjustment expenses | 0.0 | 0.0
Acquisition expenses | 1.8 | 2.6
Cost of sales | 0.0 | 0.0
General and administrative expenses | 1.1 | 0.7
Change in fair value of contingent consideration | 0.0 | 0.0
Interest expense | 4.5 | 0.0
Total expenses | 7.4 | 3.3
Pre-tax income (loss) from continuing operations | 17.5 | (14.8)
Financial Guarantee (HG Global/BAM) | BAM |  |
Segment Reporting Information [Line Items] |  |
Earned insurance premiums | 1.3 | 1.5
Net investment income | 3.2 | 2.5
Net investment income (expense) - BAM Surplus Note interest | (6.6) | (2.9)
Net realized and unrealized investment gains (losses) | 9.1 | (21.6)
Net realized and unrealized investment gains (losses) from investment in MediaAlpha | 0.0 | 0.0
Commission revenues | 0.0 | 0.0
Other revenues | 0.8 | 0.7
Total revenues | 7.8 | (19.8)
Loss and loss adjustment expenses | 0.0 | 0.0
Acquisition expenses | 0.9 | 0.4
Cost of sales | 0.0 | 0.0
General and administrative expenses | 16.2 | 15.6
Change in fair value of contingent consideration | 0.0 | 0.0
Interest expense | 0.0 | 0.0
Total expenses | 17.1 | 16.0
Pre-tax income (loss) from continuing operations | (9.3) | (35.8)
P&C Insurance and Reinsurance (Ark/WM Outrigger) |  |
Segment Reporting Information [Line Items] |  |
Earned insurance premiums | 255.1 | 194.4
Net investment income | 10.6 | 1.6
Net investment income (expense) - BAM Surplus Note interest |  | 0.0
Net realized and unrealized investment gains (losses) | 24.5 | (17.5)
Net realized and unrealized investment gains (losses) from investment in MediaAlpha |  | 0.0
Commission revenues |  | 0.0
Other revenues | (2.7) | (2.8)
Total revenues | 287.5 | 175.7
Loss and loss adjustment expenses | 147.8 | 122.0
Acquisition expenses | 59.8 | 49.9
Cost of sales |  | 0.0
General and administrative expenses | 35.2 | 21.0
Change in fair value of contingent consideration | (2.4) | 2.1
Interest expense | 5.0 | 3.8
Total expenses | 245.4 | 198.8
Pre-tax income (loss) from continuing operations |  | (23.1)
P&C Insurance and Reinsurance (Ark/WM Outrigger) | Ark |  |
Segment Reporting Information [Line Items] |  |
Earned insurance premiums | 249.9 |
Net investment income | 8.4 |
Net investment income (expense) - BAM Surplus Note interest | 0.0 |
Net realized and unrealized investment gains (losses) | 24.5 |
Net realized and unrealized investment gains (losses) from investment in MediaAlpha | 0.0 |
Commission revenues | 0.0 |
Other revenues | (2.7) |
Total revenues | 280.1 |
Loss and loss adjustment expenses | 147.6 |
Acquisition expenses | 58.9 |
Cost of sales | 0.0 |
General and administrative expenses | 35.1 |
Change in fair value of contingent consideration | (2.4) |
Interest expense | 5.0 |
Total expenses | 244.2 |
Pre-tax income (loss) from continuing operations | 35.9 |
P&C Insurance and Reinsurance (Ark/WM Outrigger) | Outrigger Re |  |
Segment Reporting Information [Line Items] |  |
Earned insurance premiums | 5.2 |
Net investment income | 2.2 |
Net investment income (expense) - BAM Surplus Note interest | 0.0 |
Net realized and unrealized investment gains (losses) | 0.0 |
Net realized and unrealized investment gains (losses) from investment in MediaAlpha | 0.0 |
Commission revenues | 0.0 |
Other revenues | 0.0 |
Total revenues | 7.4 |
Loss and loss adjustment expenses | 0.2 |
Acquisition expenses | 0.9 |
Cost of sales | 0.0 |
General and administrative expenses | 0.1 |
Change in fair value of contingent consideration | 0.0 |
Interest expense | 0.0 |
Total expenses | 1.2 |
Pre-tax income (loss) from continuing operations | 6.2 |
Asset Management (Kudu) |  |
Segment Reporting Information [Line Items] |  |
Earned insurance premiums | 0.0 | 0.0
Net investment income | 14.2 | 12.6
Net investment income (expense) - BAM Surplus Note interest | 0.0 | 0.0
Net realized and unrealized investment gains (losses) | 29.6 | 22.3
Net realized and unrealized investment gains (losses) from investment in MediaAlpha | 0.0 | 0.0
Commission revenues | 0.0 | 0.0
Other revenues | 0.0 | 0.0
Total revenues | 43.8 | 34.9
Loss and loss adjustment expenses | 0.0 | 0.0
Acquisition expenses | 0.0 | 0.0
Cost of sales | 0.0 | 0.0
General and administrative expenses | 3.8 | 2.8
Change in fair value of contingent consideration | 0.0 | 0.0
Interest expense | 4.7 | 2.8
Total expenses | 8.5 | 5.6
Pre-tax income (loss) from continuing operations | 35.3 | 29.3
Other Operations |  |
Segment Reporting Information [Line Items] |  |
Earned insurance premiums | 0.0 | 0.0
Net investment income | 7.0 | 1.8
Net investment income (expense) - BAM Surplus Note interest | 0.0 | 0.0
Net realized and unrealized investment gains (losses) | 41.8 | 31.9
Net realized and unrealized investment gains (losses) from investment in MediaAlpha | 85.2 | 18.8
Commission revenues | 3.3 | 2.9
Other revenues | 30.6 | 25.7
Total revenues | 167.9 | 81.1
Loss and loss adjustment expenses | 0.0 | 0.0
Acquisition expenses | 0.0 | 0.0
Cost of sales | 13.9 | 21.4
General and administrative expenses | 39.7 | 29.8
Change in fair value of contingent consideration | 0.0 | 0.0
Interest expense | 0.8 | 0.3
Total expenses | 54.4 | 51.5
Pre-tax income (loss) from continuing operations | $ 113.5 | $ 29.6

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