Investments - Components of Net Realized and Unrealized Gain (Losses) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Segment Reporting Information [Line Items]
Net realized gains (losses)	$ 39,995	$ 40,768	$ 114,501	$ 72,835
Net unrealized gains (losses)	(25,190)	(1,809)	5,767	(66,207)
Net realized and unrealized gains (losses)	14,805	38,959	120,268	6,628
Tiptree - Insurance
Segment Reporting Information [Line Items]
Net gains from recoveries (credit losses) on AFS securities	(1)	(8)	(84)	43
AFS securities \| Tiptree - Insurance
Segment Reporting Information [Line Items]
Net realized gains (losses)	296	115	616	211
Corporate loans \| Tiptree - Insurance
Segment Reporting Information [Line Items]
Net realized gains (losses)	90	202	(389)	(1,305)
Net unrealized gains (losses)	(174)	157	1,313	(2,063)
Corporate loans \| Tiptree Capital - Mortgage
Segment Reporting Information [Line Items]
Net realized gains (losses)	23,992	31,463	70,306	77,478
Net unrealized gains (losses)	(255)	1,238	(1,080)	2,359
Dividends from equity securities \| Tiptree - Insurance
Segment Reporting Information [Line Items]
Net realized gains (losses)	(310)	(1,540)	(4,874)	(22,429)
Net unrealized gains (losses)	(779)	(2,135)	14,511	(26,875)
Dividends from equity securities \| Tiptree Capital - Other
Segment Reporting Information [Line Items]
Net unrealized gains (losses)	(10,396)	(7,586)	3,512	(65,970)
Dividends from equity securities \| Dividends from equity securities \| Tiptree - Insurance
Segment Reporting Information [Line Items]
Net unrealized gains (losses)	(1,766)	281	(1,362)	17,290
Other Corporate Bonds \| Tiptree - Insurance
Segment Reporting Information [Line Items]
Net realized gains (losses)	1,676	2,443	3,174	4,073
Other investments \| Tiptree - Insurance
Segment Reporting Information [Line Items]
Net realized gains (losses)	(509)	(673)	1,401	1,004
Net unrealized gains (losses)	(6,015)	1,817	(9,302)	2,741
Other investments \| Tiptree Capital - Mortgage
Segment Reporting Information [Line Items]
Net realized gains (losses)	(1,652)	(1,766)	596	(9,196)
Net unrealized gains (losses)	566	957	3,632	(908)
Other investments \| Tiptree Capital - Other
Segment Reporting Information [Line Items]
Net realized gains (losses)	(231)	(1,351)	1,523	(3,510)
Net unrealized gains (losses)	(8,172)	2,098	(5,143)	6,001
Mortgage loans held for sale \| Tiptree Capital - Other
Segment Reporting Information [Line Items]
Net realized gains (losses)	16,644	11,883	42,232	26,466
Net unrealized gains (losses)	$ 1,801	$ 1,364	$ (314)	$ 1,218

Amount of expense (reversal of expense) for expected credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), from change in present value of expected cash flows.

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