Segment and Geographic Information - Schedule of geographical breakdown of direct earned premiums (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]
Total premiums earned	$ 28,131	$ 25,822
California
Revenues from External Customers and Long-Lived Assets [Line Items]
Total premiums earned	15,760	15,146
Washington
Revenues from External Customers and Long-Lived Assets [Line Items]
Total premiums earned	3,585	2,985
New Jersey
Revenues from External Customers and Long-Lived Assets [Line Items]
Total premiums earned	2,682	2,459
Oregon
Revenues from External Customers and Long-Lived Assets [Line Items]
Total premiums earned	1,816	1,796
Illinois
Revenues from External Customers and Long-Lived Assets [Line Items]
Total premiums earned	1,138	1,041
Arizona
Revenues from External Customers and Long-Lived Assets [Line Items]
Total premiums earned	1,759	1,268
Pennsylvania
Revenues from External Customers and Long-Lived Assets [Line Items]
Total premiums earned	635	657
Virginia
Revenues from External Customers and Long-Lived Assets [Line Items]
Total premiums earned	$ 756	$ 470