Investments - Investment Income (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Net Investment Income
Investment income	$ 6,315	$ 8,076	$ 19,670	$ 23,469
Investment expenses	(305)	(273)	(836)	(801)
Net investment income	6,010	7,803	18,834	22,668
Fixed Maturities
Net Investment Income
Investment income	5,744	5,757	16,806	17,379
Equity Securities
Net Investment Income
Investment income	467	614	1,966	1,728
Cash and cash equivalents
Net Investment Income
Investment income	30	1,611	767	3,407
Other Investments
Net Investment Income
Investment income	62	83	17	847
Other Assets
Net Investment Income
Investment income	$ 12	$ 11	$ 114	$ 108

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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