Investments - Investment Income (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Net Investment Income
Investment income	$ 6,168	$ 7,848	$ 13,355	$ 15,393
Investment expenses	(261)	(278)	(531)	(528)
Net investment income	5,907	7,570	12,824	14,865
Fixed Maturities
Net Investment Income
Investment income	5,592	5,560	11,062	11,622
Equity Securities
Net Investment Income
Investment income	728	622	1,499	1,114
Cash and cash equivalents
Net Investment Income
Investment income	66	1,661	737	1,796
Other Investments
Net Investment Income
Investment income	(311)	(4)	(45)	764
Other Assets
Net Investment Income
Investment income	$ 93	$ 9	$ 102	$ 97

Amount of expenses related to the generation of investment income.

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Amount after accretion (amortization) of discount (premium), and investment expense, of interest income and dividend income on nonoperating securities.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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