Catastrophe Reinsurance (Tables)

12 Months Ended

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