Equity Securities (Details) - USD ($) $ in Thousands, shares in Millions	Dec. 31, 2018	Dec. 31, 2017
Debt and Equity Securities, FV-NI [Line Items]
Equity securities	$ 122,979	$ 25,536
Specialty Insurance
Debt and Equity Securities, FV-NI [Line Items]
Equity securities	29,425	25,536
Tiptree Capital
Debt and Equity Securities, FV-NI [Line Items]
Equity securities	$ 93,554	0
Invesque Inc.
Debt and Equity Securities, FV-NI [Line Items]
Equity securities, shares held	16.6
Equity securities	$ 113,138	0
Invesque Inc. | Specialty Insurance
Debt and Equity Securities, FV-NI [Line Items]
Equity securities	19,584	0
Invesque Inc. | Tiptree Capital
Debt and Equity Securities, FV-NI [Line Items]
Equity securities	93,554	0
Other equity securities
Debt and Equity Securities, FV-NI [Line Items]
Equity securities	9,841	25,536
Other equity securities | Specialty Insurance
Debt and Equity Securities, FV-NI [Line Items]
Equity securities	9,841	25,536
Other equity securities | Tiptree Capital
Debt and Equity Securities, FV-NI [Line Items]
Equity securities	$ 0	$ 0