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Segment Information (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Segment reporting information |  |  |  |  |  |  |  |  |  |  |
Percentage of par value of policy reinsured | 15.00% |  |  |  |  |  |  |  | 15.00% |  |
Earned insurance premiums |  |  |  |  |  |  |  |  | $ 10.4 | $ 13.4 | $ 12.0
Net investment income |  |  |  |  |  |  |  |  | 56.0 | 32.1 | 10.9
Net realized and unrealized investment gains |  |  |  |  |  |  |  |  | 133.3 | (27.4) | 260.5
Advertising & commission revenues |  |  |  |  |  |  |  |  | 167.0 | 118.3 | 107.4
Other revenues |  |  |  |  |  |  |  |  | 7.1 | 21.3 | 49.2
Total revenues |  | $ 87.5 | $ 83.5 | $ 88.8 | $ (5.5) | $ 56.8 | $ 48.4 | $ 58.0 | 373.8 | 157.7 | 440.0
Loss and loss adjustment expenses |  |  |  |  |  |  |  |  | 1.1 | 8.0 | 8.2
Insurance acquisition expenses |  |  |  |  |  |  |  |  | 4.1 | 5.6 | 6.3
Other underwriting expenses |  |  |  |  |  |  |  |  | 0.4 | 0.4 | 0.4
Cost of sales |  |  |  |  |  |  |  |  | 139.4 | 102.0 | 93.6
General and administrative expenses |  |  |  |  |  |  |  |  | 218.7 | 186.0 | 200.7
Interest expense |  |  |  |  |  |  |  |  | 2.3 | 3.0 | 1.6
Total expenses |  | 79.1 | 85.7 | 92.4 | 69.0 | 70.6 | 74.1 | 91.3 | 366.0 | 305.0 | 310.8
Pre-tax (loss) income from continuing operations | $ 5.2 | $ 8.4 | $ (2.2) | $ (3.6) | $ (74.5) | $ (13.8) | $ (25.7) | $ (33.3) | 7.8 | (147.3) | 129.2
HG Global BAM |  |  |  |  |  |  |  |  |  |  |
Segment reporting information |  |  |  |  |  |  |  |  |  |  |
Advertising & commission revenues |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
Total revenues |  |  |  |  |  |  |  |  | 23.3 |  | 10.7
Loss and loss adjustment expenses |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
Cost of sales |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
Interest expense |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
Total expenses |  |  |  |  |  |  |  |  | 47.3 | 43.4 | 40.1
Pre-tax (loss) income from continuing operations |  |  |  |  |  |  |  |  | (24.0) | (26.7) | (29.4)
MediaAlpha |  |  |  |  |  |  |  |  |  |  |
Segment reporting information |  |  |  |  |  |  |  |  |  |  |
Earned insurance premiums |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
Net investment income |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
Net realized and unrealized investment gains |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
Advertising & commission revenues |  |  |  |  |  |  |  |  | 163.2 | 116.5 | 105.5
Other revenues |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
Total revenues |  |  |  |  |  |  |  |  | 163.2 | 116.5 | 105.5
Loss and loss adjustment expenses |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
Insurance acquisition expenses |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
Other underwriting expenses |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
Cost of sales |  |  |  |  |  |  |  |  | 135.9 | 97.8 | 90.7
General and administrative expenses |  |  |  |  |  |  |  |  | 26.7 | 21.9 | 16.4
Interest expense |  |  |  |  |  |  |  |  | 1.0 | 0.9 | 0.4
Total expenses |  |  |  |  |  |  |  |  | 163.6 | 120.6 | 107.5
Pre-tax (loss) income from continuing operations |  |  |  |  |  |  |  |  | $ (0.4) | $ (4.1) | $ (2.0)
Percentage of Advertising Revenue |  |  |  |  |  |  |  |  | 27.00% | 24.00% | 52.00%
Other Segments |  |  |  |  |  |  |  |  |  |  |
Segment reporting information |  |  |  |  |  |  |  |  |  |  |
Earned insurance premiums |  |  |  |  |  |  |  |  | $ 1.0 | $ 7.5 | $ 8.7
Net investment income |  |  |  |  |  |  |  |  | 43.7 | 23.1 | 4.8
Net realized and unrealized investment gains |  |  |  |  |  |  |  |  | 132.7 | (28.1) | 259.9
Advertising & commission revenues |  |  |  |  |  |  |  |  | 3.8 | 1.8 | 1.9
Other revenues |  |  |  |  |  |  |  |  | 6.1 | 20.2 | 48.5
Total revenues |  |  |  |  |  |  |  |  | 187.3 | 24.5 | 323.8
Loss and loss adjustment expenses |  |  |  |  |  |  |  |  | 1.1 | 8.0 | 8.2
Insurance acquisition expenses |  |  |  |  |  |  |  |  | 0.1 | 2.2 | 3.4
Other underwriting expenses |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
Cost of sales |  |  |  |  |  |  |  |  | 3.5 | 4.2 | 2.9
General and administrative expenses |  |  |  |  |  |  |  |  | 149.1 | 124.5 | 147.5
Interest expense |  |  |  |  |  |  |  |  | 1.3 | 2.1 | 1.2
Total expenses |  |  |  |  |  |  |  |  | 155.1 | 141.0 | 163.2
Pre-tax (loss) income from continuing operations |  |  |  |  |  |  |  |  | 32.2 | (116.5) | 160.6
HG Global BAM |  |  |  |  |  |  |  |  |  |  |
Segment reporting information |  |  |  |  |  |  |  |  |  |  |
Earned insurance premiums |  |  |  |  |  |  |  |  | 9.4 | 5.9 | 3.3
Net investment income |  |  |  |  |  |  |  |  | 12.3 | 9.0 | 6.1
Net realized and unrealized investment gains |  |  |  |  |  |  |  |  | 0.6 | 0.7 | 0.6
Other revenues |  |  |  |  |  |  |  |  | 1.0 | 1.1 | 0.7
Total revenues |  |  |  |  |  |  |  |  | 23.3 | 16.7 | 10.7
Insurance acquisition expenses |  |  |  |  |  |  |  |  | 4.0 | 3.4 | 2.9
Other underwriting expenses |  |  |  |  |  |  |  |  | 0.4 | 0.4 | 0.4
General and administrative expenses |  |  |  |  |  |  |  |  | 42.9 | 39.6 | 36.8
Total expenses |  |  |  |  |  |  |  |  | $ 47.3 | $ 43.4 | 40.1
Symetra | Other Segments |  |  |  |  |  |  |  |  |  |  |
Segment reporting information |  |  |  |  |  |  |  |  |  |  |
Net realized and unrealized investment gains |  |  |  |  |  |  |  |  |  |  | $ 258.8

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- Definition Revenue from the sale of advertising time (such as television and radio) or space (newspaper or magazine pages). May also include advertising, marketing and promotional services rendered during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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- Definition The total amount of expense recognized during the period for future policy benefits, claims and claims adjustment costs, and for selling, general and administrative costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.5,6,7) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 + Details
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