Stock-based Compensation Expense Category (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Stock-based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Capitalized Cost	$ 2,135	$ 1,633	$ 676
Total stock-based compensation	35,296	35,026	28,902
Claims expenses
Stock-based Compensation
Total stock-based compensation	3,667	4,145	4,538
Other cost of revenue
Stock-based Compensation
Total stock-based compensation	1,612	2,339	2,610
Technology and development
Stock-based Compensation
Total stock-based compensation	2,846	4,742	3,056
General and administrative
Stock-based Compensation
Total stock-based compensation	17,717	12,831	8,862
Sales and marketing
Stock-based Compensation
Total stock-based compensation	7,319	9,336	9,160
Total Expense [Member]
Stock-based Compensation
Total stock-based compensation	$ 33,161	$ 33,393	$ 28,226