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CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Revenues: |  |  |  |
Net investment income | $ 19.6 | $ 21.0 | $ 42.5 | $ 37.0
Net realized and unrealized investment gains |  |  | (3.8) | 280.8
Total revenues | 259.6 | 129.0 | 200.4 | 562.6
Expenses: |  |  |  |
Total expenses | 126.9 | 113.2 | 233.7 | 265.1
Pre-Tax and Net Income [Abstract] |  |  |  |
Pre-tax income (loss) from continuing operations | 132.7 | 15.8 | (33.3) | 297.5
Income tax (expense) benefit | (24.1) | 0.1 | 1.4 | (10.1)
Net income (loss) from continuing operations | 108.6 | 15.9 | (31.9) | 287.4
Net (loss) income from sale of discontinued operations, net of tax | (1.0) | 0.0 | (0.1) | 0.7
Net income (loss) | 107.6 | 15.9 | (32.0) | 288.1
Net loss attributable to non-controlling interests | 7.8 | 4.6 | 18.6 | 16.8
Net income (loss) attributable to White Mountains’s common shareholders | 115.4 | 20.5 | (13.4) | 304.9
HG Global-BAM |  |  |  |
Revenues: |  |  |  |
Earned insurance premiums | 5.6 | 4.3 | 11.0 | 8.5
Net investment income | 4.9 | 5.4 | 10.4 | 10.7
Net realized and unrealized investment gains | 14.4 | 11.5 | 20.5 | 23.3
Advertising and commission revenues | 0.0 | 0.0 | 0.0 |
Other revenue | 1.2 | 0.4 | 1.7 | 1.0
Total revenues | 26.1 | 21.6 | 43.6 | 43.5
Expenses: |  |  |  |
Deferred Policy Acquisition Costs, Amortization Expense | 2.1 | 1.4 | 3.8 | 2.7
Other underwriting expenses | 0.2 | 0.1 | 0.2 | 0.2
Cost of sales | 0.0 | 0.0 | 0.0 |
General and administrative expenses | 12.5 | 12.3 | 27.2 | 26.6
Amortization of other intangible assets | 0.0 | 0.0 | 0.0 |
Interest expense | 0.0 |  | 0.0 |
Total expenses | 14.8 | 13.8 | 31.2 | 29.5
Pre-Tax and Net Income [Abstract] |  |  |  |
Pre-tax income (loss) from continuing operations | 11.3 | 7.8 | 12.4 | 14.0
NSM Holding Co LLC |  |  |  |
Revenues: |  |  |  |
Earned insurance premiums | 0.0 |  | 0.0 |
Net investment income | 0.0 |  | 0.0 |
Net realized and unrealized investment gains | 0.0 |  | 0.0 |
Advertising and commission revenues | 63.0 | 54.9 | 116.0 | 98.2
Other revenue | 13.1 | 11.2 | 25.1 | 17.2
Total revenues | 76.1 | 66.1 | 141.1 | 115.4
Expenses: |  |  |  |
Deferred Policy Acquisition Costs, Amortization Expense | 0.0 |  |  |
Other underwriting expenses | 0.0 |  | 0.0 |
Cost of sales | 0.0 |  | 0.0 |
General and administrative expenses | 48.5 | 32.8 | 88.1 | 58.1
Broker commission expenses | 21.0 | 18.1 | 39.3 | 33.6
Change in fair value of contingent consideration earnout liabilities | (1.7) | 6.3 | (2.3) | 7.6
Amortization of other intangible assets | 6.3 | 4.1 | 11.1 | 9.1
Interest expense | 5.7 | 4.1 | 10.0 | 7.8
Total expenses | 79.8 | 65.4 | 146.2 | 116.2
Pre-Tax and Net Income [Abstract] |  |  |  |
Pre-tax income (loss) from continuing operations | (3.7) | 0.7 | (5.1) | (0.8)
Kudu investments |  |  |  |
Revenues: |  |  |  |
Earned insurance premiums | 0.0 |  | 0.0 |
Net investment income | 5.6 | 4.0 | 12.9 | 4.0
Net realized and unrealized investment gains | 16.5 | 0.4 | (8.3) | 0.4
Advertising and commission revenues | 0.0 |  | 0.0 |
Other revenue | 0.0 | 0.0 | 0.1 | 0.0
Total revenues | 22.1 | 4.4 | 4.7 | 4.4
Expenses: |  |  |  |
Deferred Policy Acquisition Costs, Amortization Expense | 0.0 |  | 0.0 |
Other underwriting expenses | 0.0 |  | 0.0 |
Cost of sales | 0.0 |  | 0.0 |
General and administrative expenses | 2.8 | 2.2 | 5.3 | 2.2
Amortization of other intangible assets | 0.1 | 0.0 | 0.2 | 0.0
Interest expense | 1.5 | 0.0 | 2.9 | 0.0
Total expenses | 4.4 | 2.2 | 8.4 | 2.2
Pre-Tax and Net Income [Abstract] |  |  |  |
Pre-tax income (loss) from continuing operations | 17.7 |  | (3.7) | 2.2
MediaAlpha |  |  |  |
Revenues: |  |  |  |
Advertising and commission revenues | 0.0 | 0.0 | 0.0 | 48.8
Total revenues | 0.0 | 0.0 | 0.0 | 48.8
Expenses: |  |  |  |
Cost of sales | 0.0 | 0.0 | 0.0 | 40.6
General and administrative expenses | 0.0 | 0.0 | 0.0 | 12.5
Amortization of other intangible assets | 0.0 | 0.0 | 0.0 | 1.6
Interest expense | 0.0 | 0.0 | 0.0 | 0.2
Total expenses | 0.0 | 0.0 | 0.0 | 54.9
Pre-Tax and Net Income [Abstract] |  |  |  |
Pre-tax income (loss) from continuing operations |  |  |  | (6.1)
Other Segment |  |  |  |
Revenues: |  |  |  |
Earned insurance premiums | 0.0 | 0.0 | 0.0 |
Net investment income | 9.1 | 11.6 | 19.2 | 22.3
Net realized and unrealized investment gains | 122.0 | 23.3 | (16.0) | 142.4
Realized gain and unrealized investment gain from the MediaAlpha Transaction |  | 0.0 | 0.0 | 182.2
Advertising and commission revenues | 1.9 | 1.3 | 4.0 | 2.6
Other revenue | 2.3 | 0.7 | 3.8 | 1.0
Total revenues | 135.3 | 36.9 | 11.0 | 350.5
Expenses: |  |  |  |
Deferred Policy Acquisition Costs, Amortization Expense | 0.0 | 0.0 | 0.0 |
Other underwriting expenses | 0.0 |  | 0.0 |
Cost of sales | 2.2 | 1.6 | 4.2 | 2.7
General and administrative expenses | 25.3 | 30.1 | 42.8 | 59.5
Amortization of other intangible assets | 0.2 | 0.1 | 0.4 | 0.1
Interest expense | 0.2 | 0.0 | 0.5 | 0.0
Total expenses | 27.9 | 31.8 | 47.9 | 62.3
Pre-Tax and Net Income [Abstract] |  |  |  |
Pre-tax income (loss) from continuing operations | $ 107.4 | $ 5.1 | $ (36.9) | $ 288.2

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