Reinsurance (Tables)

12 Months Ended

Dec. 31, 2017

Reinsurance [Abstract]

Schedule Of Reinsurance Activity

A summary of reinsurance activity is as follows:

(In millions)	For the Years Ended December 31,
	2017		2016		2015
Net assumed written premiums	$	42.4	$	40.6	$	45.0
Net premiums earned	41.1		43.0		48.2
Provision for claims	22.7		26.0		33.2
Amortization of capitalized acquisition costs	1.0		1.1		1.2

Schedule Of Trust Assets And Reinsurance Liabilities

The trust assets and related reinsurance liabilities are as follows:

(In millions)		As of December 31,
	Balance Sheet location	2017		2016
Trust assets	Restricted cash and cash equivalents	$	0.8	$	0.5
Trust assets	Restricted securities available for sale	46.1		45.3
Unearned premium	Accounts payable and accrued liabilities	34.1		32.8
Claims reserve (1)	Accounts payable and accrued liabilities	1.0		1.0

(1) The claims reserve represents our liability for incurred-but-not-reported claims and is estimated based on historical claims experience.

Cumulative Incurred Claims

(Dollars in millions)
	Cumulative Incurred Claims										As of December 31, 2017
Incident Year	As of December 31,										Claims Reserve		Cumulative Number of Reported Claims
	2013		2014		2015		2016		2017
2013	$	40.6	$	40.8	$	40.8	$	40.8	$	40.8	$	—	40,350
2014			39.8		39.9		39.9		39.9		—		40,908
2015					33.1		33.4		33.4		—		32,907
2016							25.7		26.0		—		25,212
2017									22.3		1.0		19,762
Total									$	162.4	$	1.0	159,139

Cumulative Paid Claims

(In millions)	Cumulative Paid Claims
	As of December 31,
Incident Year	2013		2014		2015		2016		2017
2013	$	38.9	$	40.8	$	40.8	$	40.8	$	40.8
2014			38.3		39.9		39.9		39.9
2015					31.9		33.4		33.4
2016							24.7		26.0
2017									21.3
Total									$	161.4

Percentage Payout Of Incurred Claims

Average Annual Percentage Payout of Incurred Claims by Age
Claim Age (Years)	1		2		3		4		5
Payout Percentage	95.5	%	4.5	%	—	%	—	%	—	%