Investments - Net Investment Income and Losses (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Net Investment Income [Line Items]
Investment income	$ 918	$ 626	$ 2,171	$ 1,884
Investment expenses	(58)	(112)	(240)	(335)
Net investment income	860	514	1,931	1,549
Debt securities
Net Investment Income [Line Items]
Investment income	636	562	1,814	1,716
Equity securities
Net Investment Income [Line Items]
Investment income	3	63	41	166
Cash, cash equivalents and short-term investments
Net Investment Income [Line Items]
Investment income	$ 279	$ 1	$ 316	$ 2

Amount, before 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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-Topic 944
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04.2)
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Amount of expenses related to the generation of investment income.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
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-Paragraph 2
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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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-Paragraph 1
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