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Investments (Net Investment Income) (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2024 | Mar. 31, 2023
Net Investment Income |  |
Investment fees and expenses | $ (2,309) | $ (1,831)
Net investment income | 33,897 | 30,310
Fixed maturities |  |
Net Investment Income |  |
Interest and dividend income, operating | 31,451 | 27,327
Equities |  |
Net Investment Income |  |
Interest and dividend income, operating | 892 | 807
Short-term investments, including Other |  |
Net Investment Income |  |
Interest and dividend income, operating | 3,411 | 3,350
BOLI |  |
Net Investment Income |  |
BOLI | $ 452 | $ 657

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- Definition 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. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 946 -SubTopic 830 -Name Accounting Standards Codification -Section 45 -Paragraph 39 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480228/946-830-45-39 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.1-5) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1 + Details
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