Other Liabilities and Accrued Expenses (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Accrued advertising costs	$ 10.5	$ 11.2
Employee compensation	6.9	5.4
Income taxes payable	5.6	4.7
Payable for securities	5.0	0.0
Accrued professional fees	4.9	4.6
Advance premium	2.8	2.0
Premium taxes payable	2.5	5.4
Other payables	6.1	1.8
Total other liabilities and accrued expenses	68.3	57.4
Other Liabilities and Accrued Liabilities
Lease liabilities	$ 24.0	$ 22.3