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Reinsurance
9 Months Ended
Sep. 30, 2023
Insurance [Abstract]  
Reinsurance [Text Block] REINSURANCE
A summary of reinsurance activity is as follows:
(In millions)For the Three Months Ended 
September 30,
For the Nine Months Ended 
September 30,
 2023202220232022
Net assumed written premiums$22.6 $18.8 $71.5 $55.6 
Net premiums earned20.8 16.4 58.0 45.6 
Provision for claims16.5 12.9 54.1 34.0 
Amortization of capitalized acquisition costs0.3 0.3 1.3 1.1 

The trust assets and related reinsurance liabilities are as follows:
(In millions) As of
 Balance Sheet LocationSeptember 30, 2023December 31, 2022
Trust assetsRestricted cash and cash equivalents$1.7 $0.4 
Trust assetsRestricted securities available for sale86.2 72.3 
Unearned premiumAccounts payable and accrued liabilities67.9 54.4 
Claims reserve (1)Accounts payable and accrued liabilities5.7 3.1 

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