Goodwill and Intangible Assets, net - Schedule of Intangible Assets, Net Rollforward (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Finite-lived Intangible Assets [Roll Forward]
Balance, Beginning of Period			$ 138,215
Intangibles acquired			124
Less: amortization expense	$ (3,892)	$ (2,326)	(11,690)	$ (7,175)
Balance, End of Period	126,649		126,649
Tiptree Insurance
Finite-lived Intangible Assets [Roll Forward]
Balance, Beginning of Period			136,718
Intangibles acquired			0
Less: amortization expense			(11,564)
Balance, End of Period	125,154		125,154
Other Segments
Finite-lived Intangible Assets [Roll Forward]
Balance, Beginning of Period			1,497
Intangibles acquired			124
Less: amortization expense			(126)
Balance, End of Period	$ 1,495		$ 1,495