v3.26.3
Intangible Assets (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Finite-Lived Intangible Assets [Line Items]          
Accumulated Amortization $ (3.8)   $ (3.8)   $ (3.5)
Indefinite-lived Intangible Assets [Line Items]          
Finite-Lived Intangible Assets, Accumulated Amortization 3.8   3.8   3.5
Intangible Assets, Gross (Excluding Goodwill) 16.9   16.9   17.3
Intangible Assets, Net (Excluding Goodwill) 13.1   13.1   13.8
Gross Carrying Amount 16.9   16.9   17.3
Accumulated Amortization (3.8)   (3.8)   (3.5)
Net Carrying Amount 13.1   13.1   13.8
Amortization expense related to intangible assets $ 0.3 $ 0.2 $ 0.7 $ 1.5  
Agency and carrier relationships          
Finite-Lived Intangible Assets [Line Items]          
Weighted-Average Useful Life Remaining (in years) 1 year 10 months 24 days   1 year 10 months 24 days    
Gross Carrying Amount $ 3.4   $ 3.4   3.4
Accumulated Amortization (2.6)   (2.6)   (2.2)
Net Carrying Amount 0.8   0.8   1.2
Indefinite-lived Intangible Assets [Line Items]          
Gross Carrying Amount 3.4   3.4   3.4
Finite-Lived Intangible Assets, Accumulated Amortization 2.6   2.6   2.2
Finite-Lived Intangible Assets, Net 0.8   0.8   1.2
Accumulated Amortization $ (2.6)   $ (2.6)   (2.2)
Customer relationships          
Finite-Lived Intangible Assets [Line Items]          
Weighted-Average Useful Life Remaining (in years) 4 years 3 months 18 days   4 years 3 months 18 days    
Gross Carrying Amount $ 3.0   $ 3.0   3.0
Accumulated Amortization (1.2)   (1.2)   (0.9)
Net Carrying Amount 1.8   1.8   2.1
Indefinite-lived Intangible Assets [Line Items]          
Gross Carrying Amount 3.0   3.0   3.0
Finite-Lived Intangible Assets, Accumulated Amortization 1.2   1.2   0.9
Finite-Lived Intangible Assets, Net 1.8   1.8   2.1
Accumulated Amortization (1.2)   (1.2)   (0.9)
Other          
Finite-Lived Intangible Assets [Line Items]          
Gross Carrying Amount 0.0   0.0   0.4
Accumulated Amortization 0.0   0.0   (0.4)
Net Carrying Amount 0.0   0.0   0.0
Indefinite-lived Intangible Assets [Line Items]          
Gross Carrying Amount 0.0   0.0   0.4
Finite-Lived Intangible Assets, Accumulated Amortization 0.0   0.0   0.4
Finite-Lived Intangible Assets, Net 0.0   0.0   0.0
Accumulated Amortization 0.0   0.0   (0.4)
State licenses and domain name          
Indefinite-lived Intangible Assets [Line Items]          
Net Carrying Amount $ 10.5   $ 10.5   $ 10.5