v3.26.1
Description of Business (Details)
6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Hagerty Reinsurance Limited    
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]    
Ownership percentage by Hagerty, Inc increase in one year 100.00% 80.00%