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Segment Information (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Segment reporting information |  |  |  |
Earned insurance premiums | $ 2.2 | $ 3.3 | $ 5.2 | $ 6.8
Net investment income | 14.7 | 6.1 | 27.5 | 8.6
Net investment income (loss) - surplus note interest | 0.0 | 0.0 | 0.0 | 0.0
Net realized and unrealized investment gains | 33.7 | 3.4 | 70.0 | 16.3
Advertising and commission revenues | 33.2 | 29.2 | 71.7 | 63.0
Other revenue | 1.6 | 7.2 | 4.5 | 13.3
Total revenues | 85.4 | 49.2 | 178.9 | 108.0
Loss and loss adjustment expenses | 0.0 | 2.3 | 1.1 | 4.6
Insurance acquisition expenses | 0.9 | 1.4 | 2.2 | 3.1
Other underwriting expenses | 0.1 | 0.1 | 0.2 | 0.2
General and administrative expenses | 57.5 | 45.2 | 117.9 | 99.9
Interest expense | 0.5 | 0.9 | 0.9 | 2.1
Total expenses | 85.8 | 74.3 | 177.9 | 162.8
Pre-tax income (loss) | (0.4) | (25.1) | 1.0 | (54.8)
HG Global |  |  |  |
Segment reporting information |  |  |  |
Earned insurance premiums | 1.7 | 1.0 | 3.2 | 1.9
Net investment income | 0.8 | 0.5 | 1.4 | 1.0
Net investment income (loss) - surplus note interest | 4.7 | 4.4 | 9.5 | 8.9
Net realized and unrealized investment gains | 0.0 | 0.5 | 0.3 | 2.6
Advertising and commission revenues | 0.0 | 0.0 | 0.0 | 0.0
Other revenue | 0.0 | 0.0 | 0.0 | 0.0
Total revenues | 7.2 | 6.4 | 14.4 | 14.4
Pre-tax income (loss) | 6.7 | 5.9 | 13.3 | 13.2
BAM |  |  |  |
Segment reporting information |  |  |  |
Earned insurance premiums | 0.5 | 0.4 | 1.0 | 0.7
Net investment income | 2.2 | 1.8 | 4.2 | 3.4
Net investment income (loss) - surplus note interest | (4.7) | (4.4) | (9.5) | (8.9)
Net realized and unrealized investment gains | 1.1 | 3.2 | 2.1 | 8.1
Advertising and commission revenues | 0.0 | 0.0 | 0.0 | 0.0
Other revenue | 0.2 | 0.3 | 0.6 | 0.4
Total revenues | (0.7) | 1.3 | (1.6) | 3.7
Pre-tax income (loss) | (11.5) | (9.0) | (23.7) | (16.6)
MediaAlpha |  |  |  |
Segment reporting information |  |  |  |
Earned insurance premiums | 0.0 | 0.0 | 0.0 | 0.0
Net investment income | 0.0 | 0.0 | 0.0 | 0.0
Net investment income (loss) - surplus note interest | 0.0 | 0.0 | 0.0 | 0.0
Net realized and unrealized investment gains | 0.0 | 0.0 | 0.0 | 0.0
Advertising and commission revenues | 30.8 | 28.1 | 63.3 | 60.8
Other revenue | 0.0 | 0.0 | 0.0 | 0.0
Total revenues | 30.8 | 28.1 | 63.3 | 60.8
Pre-tax income (loss) | (1.8) | (0.7) | (2.8) | (1.3)
Other Operations |  |  |  |
Segment reporting information |  |  |  |
Earned insurance premiums | 0.0 | 1.9 | 1.0 | 4.2
Net investment income | 11.7 | 3.8 | 21.9 | 4.2
Net investment income (loss) - surplus note interest | 0.0 | 0.0 | 0.0 | 0.0
Net realized and unrealized investment gains | 32.6 | (0.3) | 67.6 | 5.6
Advertising and commission revenues | 2.4 | 1.1 | 8.4 | 2.2
Other revenue | 1.4 | 6.9 | 3.9 | 12.9
Total revenues | 48.1 | 13.4 | 102.8 | 29.1
Pre-tax income (loss) | 6.2 | (21.3) | 14.2 | (50.1)
Segment Reconciling Items |  |  |  |
Segment reporting information |  |  |  |
Loss and loss adjustment expenses |  | 2.3 | 1.1 | 4.6
Insurance acquisition expenses | 0.9 | 1.4 | 2.2 | 3.1
Other underwriting expenses | 0.1 | 0.1 | 0.2 | 0.2
Cost of sales | 26.8 | 24.4 | 55.6 | 52.9
General and administrative expenses | 57.5 | 45.2 | 117.9 | 99.9
Interest expense | 0.5 | 0.9 | 0.9 | 2.1
Total expenses | 85.8 | 74.3 | 177.9 | 162.8
Segment Reconciling Items | HG Global |  |  |  |
Segment reporting information |  |  |  |
Loss and loss adjustment expenses |  | 0.0 | 0.0 | 0.0
Insurance acquisition expenses | 0.3 | 0.2 | 0.6 | 0.4
Other underwriting expenses | 0.0 | 0.0 | 0.0 | 0.0
Cost of sales | 0.0 | 0.0 | 0.0 | 0.0
General and administrative expenses | 0.2 | 0.3 | 0.5 | 0.8
Interest expense | 0.0 | 0.0 | 0.0 | 0.0
Total expenses | 0.5 | 0.5 | 1.1 | 1.2
Segment Reconciling Items | BAM |  |  |  |
Segment reporting information |  |  |  |
Loss and loss adjustment expenses |  | 0.0 | 0.0 | 0.0
Insurance acquisition expenses | 0.6 | 0.6 | 1.5 | 1.3
Other underwriting expenses | 0.1 | 0.1 | 0.2 | 0.2
Cost of sales | 0.0 | 0.0 | 0.0 | 0.0
General and administrative expenses | 10.1 | 9.6 | 20.4 | 18.8
Interest expense | 0.0 | 0.0 | 0.0 | 0.0
Total expenses | 10.8 | 10.3 | 22.1 | 20.3
Segment Reconciling Items | MediaAlpha |  |  |  |
Segment reporting information |  |  |  |
Loss and loss adjustment expenses |  |  | 0.0 | 0.0
Insurance acquisition expenses | 0.0 | 0.0 | 0.0 | 0.0
Other underwriting expenses | 0.0 | 0.0 | 0.0 | 0.0
Cost of sales | 26.1 | 23.3 | 53.8 | 51.0
General and administrative expenses | 6.2 | 5.3 | 11.8 | 10.6
Interest expense | 0.3 | 0.2 | 0.5 | 0.5
Total expenses | 32.6 | 28.8 | 66.1 | 62.1
Segment Reconciling Items | Other Operations |  |  |  |
Segment reporting information |  |  |  |
Loss and loss adjustment expenses |  | 2.3 | 1.1 | 4.6
Insurance acquisition expenses | 0.0 | 0.6 | 0.1 | 1.4
Other underwriting expenses | 0.0 | 0.0 | 0.0 | 0.0
Cost of sales | 0.7 | 1.1 | 1.8 | 1.9
General and administrative expenses | 41.0 | 30.0 | 85.2 | 69.7
Interest expense | 0.2 | 0.7 | 0.4 | 1.6
Total expenses | $ 41.9 | $ 34.7 | $ 88.6 | $ 79.2

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