Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Numerator:
Net income (loss) attributable to controlling interest	$ 32,078	$ (46,358)
Change in fair value of potentially dilutive warrant liabilities	(27,392)	0
Net income (loss) attributable to non-controlling interest Hagerty Group Units	(28,642)	0
Adjusted net income (loss) attributable to Class A Common Stock shareholders	(23,956)	(46,358)
Adjusted net income (loss) attributable to Class A Common Stock shareholders	$ (23,956)	$ (46,358)
Denominator:
Earnings (loss) per share/unit - basic (in dollars per share)	$ 0.39	$ (0.56)
Earnings (loss) per share/unit - diluted (in dollars per share)		$ (0.56)
Class A Common Stock
Denominator:
Weighted average shares/members' units - diluted (in shares)	82,728	82,327
Conversion of non-controlling interest Hagerty Group units to class A common stock (in shares)	252,806	0
Warrants (in shares)	613	0
Stock-based compensation awards (in shares)	0	0
Weighted average shares outstanding, diluted (in shares)	336,147	82,327
Earnings (loss) per share/unit - basic (in dollars per share)	$ 0.39	$ (0.56)
Earnings (loss) per share/unit - diluted (in dollars per share)	$ (0.07)	$ (0.56)