Description of Business and Summary of Significant Accounting Policies - Revenue, Advertising, Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Capitalized Contract Cost [Line Items]
Extension term of home warranty contracts	25 years
Advertising costs	$ 13.9	$ 13.5	$ 3.6
Minimum
Capitalized Contract Cost [Line Items]
Term of home warranty contracts	90 days
Maximum
Capitalized Contract Cost [Line Items]
Term of home warranty contracts	3 years