Investments - Net Investment Income (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Net Investment Income [Line Items]
Investment income	$ 1,264	$ 853	$ 3,380	$ 2,648
Investment expenses	(54)	(67)	(209)	(223)
Net investment income	1,210	786	3,171	2,425
Debt securities
Net Investment Income [Line Items]
Investment income	861	801	2,716	2,495
Equity securities
Net Investment Income [Line Items]
Investment income	247	33	322	98
Cash, cash equivalents and short-term investments
Net Investment Income [Line Items]
Investment income	$ 156	$ 19	$ 342	$ 55

Amount, before investment expense, of income earned from investments in securities and real estate. Includes, but is not limited to, real estate investment, policy loans, dividends, and interest. Excludes realized gain (loss) on investments.

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-SubTopic 220
-Section S99
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Amount of expenses related to the generation of investment income.

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-Publisher FASB
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Amount, after investment expense, of income earned from investments in securities and real estate. Includes, but is not limited to, real estate investment, policy loans, dividends, and interest. Excludes realized gain (loss) on investments.

+ References

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