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v3.22.1

Segment Information - Financial Information for White Mountain's Segments (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Segment Reporting Information [Line Items] |  |
Earned insurance premiums | $ 202.8 | $ 111.0
Net investment income | 20.6 | 20.6
Net realized and unrealized investment gains (losses) | (8.4) | 1.1
Commission revenues | 73.0 | 61.9
Other revenues | 42.1 | 25.3
Total revenues | 348.9 | 178.2
Loss and loss adjustment expenses | 122.0 | 66.0
Insurance and reinsurance acquisition expenses | 52.9 | 38.6
Cost of sales | 21.4 | 4.0
General and administrative expenses | 125.0 | 138.4
Broker commission expenses | 20.6 | 18.9
Change in fair value of contingent consideration | 0.1 |
Amortization of other intangible assets | 10.1 | 9.2
Loss on assets held for sale | 0.0 | 28.7
Interest expense | 9.0 | 13.1
Total expenses | 361.1 | 316.9
Pre-tax income (loss) from continuing operations | (12.2) | (138.7)
Marketing Technology (MediaAlpha) |  |
Segment Reporting Information [Line Items] |  |
Net realized and unrealized investment gains (losses) from investment in MediaAlpha | 18.8 | (41.7)
Financial Guarantee (HG Global/BAM) |  |
Segment Reporting Information [Line Items] |  |
Earned insurance premiums | 8.4 | 6.4
Net investment income | 4.6 | 4.5
Net realized and unrealized investment gains (losses) | (45.1) | (17.9)
Commission revenues | 0.0 | 0.0
Other revenues | 0.8 | 0.3
Total revenues | (31.3) | (6.7)
Loss and loss adjustment expenses | 0.0 | 0.0
Insurance and reinsurance acquisition expenses | 3.0 | 1.9
Cost of sales | 0.0 | 0.0
General and administrative expenses | 16.3 | 16.4
Broker commission expenses | 0.0 | 0.0
Change in fair value of contingent consideration | 0.0 |
Amortization of other intangible assets | 0.0 | 0.0
Loss on assets held for sale | 0.0 | 0.0
Interest expense | 0.0 | 0.0
Total expenses | 19.3 | 18.3
Pre-tax income (loss) from continuing operations | (50.6) | (25.0)
Financial Guarantee (HG Global/BAM) | Marketing Technology (MediaAlpha) |  |
Segment Reporting Information [Line Items] |  |
Net realized and unrealized investment gains (losses) from investment in MediaAlpha | 0.0 | 0.0
Ark |  |
Segment Reporting Information [Line Items] |  |
Earned insurance premiums | 194.4 | 104.6
Net investment income | 1.6 | 0.8
Net realized and unrealized investment gains (losses) | (17.5) | 1.1
Commission revenues | 0.0 | 0.0
Other revenues | (2.8) | 2.6
Total revenues | 175.7 | 109.1
Loss and loss adjustment expenses | 122.0 | 66.0
Insurance and reinsurance acquisition expenses | 49.9 | 36.7
Cost of sales | 0.0 | 0.0
General and administrative expenses | 23.1 | 37.8
Broker commission expenses | 0.0 | 0.0
Change in fair value of contingent consideration | 0.0 |
Amortization of other intangible assets | 0.0 | 0.0
Loss on assets held for sale | 0.0 | 0.0
Interest expense | 3.8 | 1.1
Total expenses | 198.8 | 141.6
Pre-tax income (loss) from continuing operations | (23.1) | (32.5)
Ark | Marketing Technology (MediaAlpha) |  |
Segment Reporting Information [Line Items] |  |
Net realized and unrealized investment gains (losses) from investment in MediaAlpha | 0.0 | 0.0
NSM Insurance Group [Member] |  |
Segment Reporting Information [Line Items] |  |
Earned insurance premiums | 0.0 | 0.0
Net investment income | 0.0 | 0.0
Net realized and unrealized investment gains (losses) | 0.0 | 0.0
Commission revenues | 70.1 | 59.6
Other revenues | 18.4 | 15.2
Total revenues | 88.5 | 74.8
Loss and loss adjustment expenses | 0.0 | 0.0
Insurance and reinsurance acquisition expenses | 0.0 | 0.0
Cost of sales | 0.0 | 0.0
General and administrative expenses | 54.0 | 46.0
Broker commission expenses | 20.6 | 18.9
Change in fair value of contingent consideration | 0.1 | 0.0
Amortization of other intangible assets | 9.1 | 8.6
Loss on assets held for sale | 0.0 | 28.7
Interest expense | 2.1 | 5.9
Total expenses | 85.9 | 108.1
Pre-tax income (loss) from continuing operations | 2.6 | (33.3)
NSM Insurance Group [Member] | Marketing Technology (MediaAlpha) |  |
Segment Reporting Information [Line Items] |  |
Net realized and unrealized investment gains (losses) from investment in MediaAlpha | 0.0 | 0.0
Asset Management (Kudu) |  |
Segment Reporting Information [Line Items] |  |
Earned insurance premiums | 0.0 | 0.0
Net investment income | 12.6 | 8.2
Net realized and unrealized investment gains (losses) | 22.3 | 15.8
Commission revenues | 0.0 | 0.0
Other revenues | 0.0 | 0.1
Total revenues | 34.9 | 24.1
Loss and loss adjustment expenses | 0.0 | 0.0
Insurance and reinsurance acquisition expenses | 0.0 | 0.0
Cost of sales | 0.0 | 0.0
General and administrative expenses | 2.7 | 2.5
Broker commission expenses | 0.0 | 0.0
Change in fair value of contingent consideration | 0.0 |
Amortization of other intangible assets | 0.1 | 0.1
Loss on assets held for sale | 0.0 | 0.0
Interest expense | 2.8 | 5.8
Total expenses | 5.6 | 8.4
Pre-tax income (loss) from continuing operations | 29.3 | 15.7
Asset Management (Kudu) | Marketing Technology (MediaAlpha) |  |
Segment Reporting Information [Line Items] |  |
Net realized and unrealized investment gains (losses) from investment in MediaAlpha | 0.0 | 0.0
Other Operations |  |
Segment Reporting Information [Line Items] |  |
Earned insurance premiums | 0.0 | 0.0
Net investment income | 1.8 | 7.1
Net realized and unrealized investment gains (losses) | 31.9 | 2.1
Net realized and unrealized investment gains (losses) from investment in MediaAlpha | 18.8 | (41.7)
Commission revenues | 2.9 | 2.3
Other revenues | 25.7 | 7.1
Total revenues | 81.1 | (23.1)
Loss and loss adjustment expenses | 0.0 | 0.0
Insurance and reinsurance acquisition expenses | 0.0 | 0.0
Cost of sales | 21.4 | 4.0
General and administrative expenses | 28.9 | 35.7
Broker commission expenses | 0.0 | 0.0
Change in fair value of contingent consideration | 0.0 |
Amortization of other intangible assets | 0.9 | 0.5
Loss on assets held for sale | 0.0 | 0.0
Interest expense | 0.3 | 0.3
Total expenses | 51.5 | 40.5
Pre-tax income (loss) from continuing operations | $ 29.6 | $ (63.6)

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Data Type: | na
Balance Type: |
Period Type: |