Members' and Stockholders' Equity - Ownership (Details) - shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Class of Stock [Line Items]
Units Owned (in shares)	338,961,435
The Hagerty Group, LLC
Class of Stock [Line Items]
Ownership percentage by Hagerty, Inc	24.50%	24.70%
Ownership percentage by noncontrolling interest	75.50%
Total ownership percentage	100.00%
Total Stockholders' / Members' Equity
Class of Stock [Line Items]
Units Owned (in shares)	83,202,969
Non-controlling Interest
Class of Stock [Line Items]
Units Owned (in shares)	255,758,466