Investments Net Investment Income (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Net Investment Income [Line Items]
Interest from fixed maturities	$ 57	$ 49	$ 90	$ 83
Dividends	82	113	156	218
Income from limited liability investments	(189)	(365)	(181)	(600)
Loss on change in fair value of limited liability investments, at fair value	482	232	701	466
Profit (Loss) from Real Estate Operations	200	200	400	400
Other	9	111	137	233
Gross investment income	1,019	872	1,665	2,047
Investment expenses	(9)	(8)	(17)	(15)
Net investment income	1,010	864	1,648	2,032
Warrant [Member]
Net Investment Income [Line Items]
Loss on change in fair value of limited liability investments, at fair value	$ 0	$ (198)	$ 0	$ 47

Amount of unrealized (holding) gain (loss) which is included in the statement of income (or changes in net assets) related to those assets still held at the reporting date for which fair value is measured on a recurring basis using significant unobservable inputs (Level 3).

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This element represents the undistributed income (or loss) of equity method investments, net of dividends or other distributions received from unconsolidated subsidiaries, certain corporate joint ventures, and certain noncontrolled corporations; such investments are accounted for under the equity method of accounting. This element excludes distributions that constitute a return of investment, which are classified as investing activities.

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Amount of interest income earned from interest bearing assets classified as other.

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Amount of dividend income on nonoperating securities.

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Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

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Amount before accretion (amortization) of purchase discount (premium) of interest income and dividend income on nonoperating securities.

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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.

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The net cost of operation of other real estate (including provisions for real estate losses, rental income, and gains and losses on sales of real estate).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The increase (decrease), resulting in a loss, in the difference between the fair value and the carrying value, or in the comparative fair values, of securities held at each balance sheet date, that was included in earnings for the period.

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