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Catastrophe Reinsurance (Tables) | 12 Months Ended
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Dec. 31, 2017
Reinsurance Disclosures [Abstract] |
Reinsurance Retention Policy | Coverage for the Property & Casualty Insurance segment’s catastrophe reinsurance program effective January 1, 2016 to December 31, 2016 is provided in various layers as presented below.
DOLLARS IN MILLIONS |  | Catastrophe Losses and LAE |  | Percentage of Coverage
In Excess of |  | Up to |
Property & Casualty Insurance Segment: |  |  |  |  |  |
Retained |  | $ | — |  |  | $ | 50.0 |  |  | — | %
1st Layer of Coverage |  | 50.0 |  |  | 150.0 |  |  | 95.0 |
2nd Layer of Coverage |  | 150.0 |  |  | 350.0 |  |  | 95.0 |
Coverage for the Property & Casualty Insurance segment’s catastrophe reinsurance program effective January 1, 2015 to December 31, 2015 is provided in various layers as presented below.
DOLLARS IN MILLIONS |  | Catastrophe Losses and LAE |  | Percentage of Coverage
In Excess of |  | Up to |
Property & Casualty Insurance Segment: |  |  |  |  |  |
Retained |  | $ | — |  |  | $ | 50.0 |  |  | — | %
1st Layer of Coverage |  | 50.0 |  |  | 150.0 |  |  | 95.0 |
2nd Layer of Coverage |  | 150.0 |  |  | 350.0 |  |  | 95.0 |
Coverage for the Property & Casualty Insurance segment’s catastrophe reinsurance program effective January 1, 2017 to December 31, 2017 is provided in various layers as presented below.
DOLLARS IN MILLIONS |  | Catastrophe Losses and LAE |  | Percentage of Coverage
In Excess of |  | Up to |
Property & Casualty Insurance Segment: |  |  |  |  |  |
Retained |  | $ | — |  |  | $ | 50.0 |  |  | — | %
1st Layer of Coverage |  | 50.0 |  |  | 150.0 |  |  | 95.0 |
2nd Layer of Coverage |  | 150.0 |  |  | 250.0 |  |  | 31.7 |
2nd Layer of Coverage |  | 150.0 |  |  | 350.0 |  |  | 63.3 |
Catastrophe Reinsurance Premiums | Reinsurance premiums for the Company’s catastrophe reinsurance programs and the FHCF Program reduced earned premiums for the years ended December 31, 2017, 2016 and 2015 by the following:
DOLLARS IN MILLIONS |  | 2017 |  | 2016 |  | 2015
Property & Casualty Insurance |  | $ | 10.9 |  |  | $ | 11.9 |  |  | $ | 12.8 |
Life & Health Insurance |  | 0.1 |  |  | 0.1 |  |  | 0.1 |
Total Ceded Catastrophe Reinsurance Premiums |  | $ | 11.0 |  |  | $ | 12.0 |  |  | $ | 12.9 |
Catastrophe Losses and LAE, Net Reinsurance Recoveries | Catastrophe losses and LAE (including reserve development), net of reinsurance recoveries, for the years ended December 31, 2017, 2016 and 2015 by business segment are presented below.
DOLLARS IN MILLIONS |  | 2017 |  | 2016 |  | 2015
Property & Casualty Insurance |  | $ | 174.0 |  |  | $ | 90.4 |  |  | $ | 56.6 |
Life & Health Insurance |  | 6.4 |  |  | 5.4 |  |  | 3.9 |
Total Catastrophe Losses and LAE |  | $ | 180.4 |  |  | $ | 95.8 |  |  | $ | 60.5 |

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- Definition Catastrophe Reinsurance Premiums [Table Text Block] + References No definition available. + Details
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- Definition Tabular disclosure of reinsurance retention policy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6480758&loc=d3e6811-158387 + Details
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