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Disaggregation of revenue - Summary of Disaggregation of Revenue by Product Vertical (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Disaggregation of Revenue [Line Items]
Revenue	$ 259,133	$ 74,573	$ 564,056	$ 270,975
Property & casualty insurance
Disaggregation of Revenue [Line Items]
Revenue	219,036	31,933	422,700	126,532
Health insurance
Disaggregation of Revenue [Line Items]
Revenue	32,879	33,961	114,932	115,192
Life insurance
Disaggregation of Revenue [Line Items]
Revenue	5,227	5,341	19,308	18,321
Other
Disaggregation of Revenue [Line Items]
Revenue	$ 1,991	$ 3,338	$ 7,116	$ 10,930

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