v3.25.2
Business and Basis of Presentation (Details)
6 Months Ended 12 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Hagerty Re    
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]    
Ownership percentage by Hagerty, Inc 80.00%  
The Hagerty Group, LLC    
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]    
Ownership percentage by Hagerty, Inc 26.20% 26.10%