Investments - Net Investment Income (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Investment income from portfolios
Total investment income	$ 7,686	$ 8,289	$ 16,304	$ 17,056
Less: investment expenses	313	259	562	509
Investment income, net of expenses	7,373	8,030	15,742	16,547
Available-for-sale securities
Investment income from portfolios
Total investment income	5,670	5,488	11,458	11,649
Equity securities
Investment income from portfolios
Total investment income	901	141	1,757	282
Cash equivalents and other
Investment income from portfolios
Total investment income	$ 1,115	$ 2,660	$ 3,089	$ 5,125

Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein.

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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.

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