Investments (Net Investment Income) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Net Investment Income
Investment fees and expenses	$ (1,292)	$ (1,810)
Net investment income	20,830	22,818
Fixed maturities
Net Investment Income
Investment Income	18,285	17,517
Equities
Net Investment Income
Investment Income	1,909	4,823
Short-term investments, including Other
Net Investment Income
Investment Income	1,472	1,835
BOLI
Net Investment Income
Investment Income	$ 456	$ 453

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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