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Number Of States In Which Policies Are Offered

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Related Party Transaction, Transaction Term

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Cash received for commissions during the current period.

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Related-Party Transactions - Narrative (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026 USD ($) state	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($) state	Jun. 30, 2025 USD ($)	Dec. 31, 2025 USD ($)	Sep. 30, 2023 USD ($)	Dec. 31, 2020 USD ($)
Related Party Transaction [Line Items]
Restricted cash and cash equivalents	$ 169,333	$ 190,286	$ 169,333	$ 190,286	$ 138,823
Contract liabilities	50,841		50,841		46,450
State Farm Term Loan \| 2025 JPM Credit Facility
Related Party Transaction [Line Items]
Fixed rate (as a percent)						8.00%
State Farm Term Loan \| 2025 JPM Credit Facility \| Hagerty Reinsurance Ltd
Related Party Transaction [Line Items]
Debt face amount						$ 25,000
Reinsurance Agreement \| Affiliated Entity \| Essentia
Related Party Transaction [Line Items]
Restricted cash and cash equivalents	$ 596,600		$ 596,600		$ 680,400
Alliance Agreement \| Affiliated Entity \| State Farm
Related Party Transaction [Line Items]
Related party transaction, transaction term (in year)			10 years
Number of states in which policies are offered \| state	37		37
Number of states in which conversions of existing book of business occur \| state	26		26
Contract liabilities							$ 20,000
Commission revenue	$ 6,800	$ 1,800	$ 13,500	$ 3,000