v3.25.4
Receivables from Policyholders - Allowance for Expected Credit Losses (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Premium Receivable, Allowance for Credit Loss [Roll Forward]    
Balance at Beginning of Year $ 2.9 $ 13.9
Provision for Expected Credit Losses 54.2 39.6
Write-offs of Uncollectible Receivables from Policyholders (55.1) (50.6)
Balance at End of Year 2.0 2.9
Receivable Balance at End of Year 975.6 986.1
Receivable Balance 965.2 977.9
Variable Interest Entity, Primary Beneficiary    
Premium Receivable, Allowance for Credit Loss [Roll Forward]    
Receivable Balance 10.4 8.2
Operating Segments    
Premium Receivable, Allowance for Credit Loss [Roll Forward]    
Balance at Beginning of Year 2.6 12.9
Provision for Expected Credit Losses 53.9 39.2
Write-offs of Uncollectible Receivables from Policyholders (54.6) (49.5)
Balance at End of Year 1.9 2.6
Receivable Balance at End of Year 968.1 973.9
Non-Core Operations    
Premium Receivable, Allowance for Credit Loss [Roll Forward]    
Balance at Beginning of Year 0.3 1.0
Provision for Expected Credit Losses 0.3 0.4
Write-offs of Uncollectible Receivables from Policyholders (0.5) (1.1)
Balance at End of Year 0.1 0.3
Receivable Balance at End of Year 7.5 12.2
Specialty | Operating Segments    
Premium Receivable, Allowance for Credit Loss [Roll Forward]    
Balance at Beginning of Year 2.6 12.9
Provision for Expected Credit Losses 53.7 38.9
Write-offs of Uncollectible Receivables from Policyholders (54.4) (49.2)
Balance at End of Year 1.9 2.6
Receivable Balance at End of Year 957.3 962.8
Life | Operating Segments    
Premium Receivable, Allowance for Credit Loss [Roll Forward]    
Balance at Beginning of Year 0.0 0.0
Provision for Expected Credit Losses 0.2 0.3
Write-offs of Uncollectible Receivables from Policyholders (0.2) (0.3)
Balance at End of Year 0.0 0.0
Receivable Balance at End of Year $ 10.8 $ 11.1