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Reinsurance (Tables)
 12 Months Ended
Dec. 31, 2021
Reinsurance [Abstract]  
Schedule Of Reinsurance Activity
A summary of reinsurance activity is as follows:
(In millions)For the Years Ended December 31,
 202120202019
Net assumed written premiums$56.4 $61.7 $51.8 
Net premiums earned60.3 57.3 51.0 
Provision for claims38.8 37.9 30.1 
Amortization of capitalized acquisition costs1.4 1.4 1.3 
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 location20212020
Trust assetsRestricted cash and cash equivalents$0.3 $0.7 
Trust assetsRestricted securities available for sale62.1 66.1 
Unearned premiumAccounts payable and accrued liabilities44.6 48.5 
Claims reserve (1)Accounts payable and accrued liabilities2.4 2.3 

(1)    The claims reserve represents our liability for incurred-but-not-reported claims and is estimated based on historical claims experience.
Cumulative Incurred Claims
The following tables present information about incurred and paid claims development for the five-year period ended December 31, 2021:
(Dollars in millions)
Cumulative Incurred ClaimsAs of December 31, 2021
Incident YearAs of December 31,Claims ReserveCumulative Number of Reported Claims
20172018201920202021
2017$22.3 $22.5 $22.6 $22.6 $22.6 $— 20,462 
201825.8 25.7 25.8 25.8 — 22,310 
201930.1 30.2 30.2 — 24,419 
202037.7 37.6 — 28,206 
202138.9 2.4 28,091 
Total$155.1 $2.4 123,488 
Cumulative Paid Claims
(In millions)Cumulative Paid Claims
As of December 31,
Incident Year20172018201920202021
2017$21.3 $22.5 $22.6 $22.6 $22.6 
201824.2 25.7 25.8 25.8 
201928.3 30.2 30.2 
202035.4 37.6 
202136.5 
Total$152.7 
Percentage Payout Of Incurred Claims
Average Annual Percentage Payout of Incurred Claims by Age
Claim Age (Years)12345
Payout Percentage93.9 %5.9 %0.2 %— %— %