Investments (Investment Income) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Investments [Line Items]
Total investment income	$ 136,124	$ 140,586	$ 146,868
Less: Investment expense	(6,397)	(5,728)	(5,605)
Net investment income	129,727	134,858	141,263
Fixed maturity securities
Investments [Line Items]
Total investment income	100,001	100,166	102,254
Equity securities
Investments [Line Items]
Total investment income	35,064	37,598	32,233
Short-term investments
Investments [Line Items]
Total investment income	$ 1,059	$ 2,822	$ 12,381

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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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
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Amount of expenses related to the generation of investment income.

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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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