Other Liabilities and Accrued Expenses (Details) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Other Liabilities Disclosure [Abstract]
Lease liabilities	$ 20.2	$ 23.8
Accrued advertising costs	18.7	13.4
Ceding commission payable	18.5	3.9
Uncertain tax position	11.2	9.7
Employee compensation	10.9	13.2
Payable to carriers	8.7	6.2
Accrued professional fees	6.6	5.1
Advance premium	5.8	3.1
Premium taxes payable	4.0	8.1
Reinsurance payable	2.6	2.8
Income taxes payable	1.1	1.5
Other payables	15.9	14.9
Total	$ 124.2	$ 105.7