Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in equity securities classified as available-for-sale.

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The fair value of available-for-sale securities that serve as collateral for borrowings.

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Number of investment positions in available-for-sale investments in a continuous unrealized loss position for which an other-than-temporary impairment (OTTI) has not been recognized in the income statement.

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Aggregate number of common shares reserved for future issuance.

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Amount, after adjustment, of cost-method investment. Adjustments include, but are not limited to, dividends received in excess of earnings after date of investment that are considered a return of investment and other than temporary impairments.

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The amount of unfunded commitments for which the entity is obligated, to those certain investments for which net asset value per share is calculated (including by unit, membership interest, or other equity (ownership interest) unit measure) (alternative investments).

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Total investments in (A) an entity in which the entity has significant influence, but does not have control, (B) subsidiaries that are not required to be consolidated and are accounted for using the equity and or cost method, and (C) an entity in which the reporting entity shares control of the entity with another party or group. Includes long-term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership.

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Amount of investments classified as other.

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The fair value, as of the date of each statement of financial position presented, of investments which are not evidenced by ownership of securities, such as interests in partnerships or other forms of unincorporated entities, which are owned but transferred to serve as collateral for the payment of the related debt obligation, and that is reclassified and separately reported in the statement of financial position because the transferee has the right by contract or custom to sell or re-pledge such ownership interests.

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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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Price of a single share of a number of saleable stocks of a company.

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Investments (Details) $ / shares in Units, number in Thousands, $ in Thousands	Jun. 30, 2017 USD ($)	Dec. 31, 2016 USD ($)	Jun. 30, 2014 $ / shares shares
Schedule of Available-for-sale Securities [Line Items]
Fixed maturities and equity investments unrealized loss positions	168	173
Limited liability investments	$ 25,533	$ 22,974
Limited liability investments	8,220	10,700
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Unfunded Commitments	1,200
Other investments, at cost which approximates fair value	7,550	7,975
Available-for-sale Securities Pledged as Collateral	12,760	13,073
Pledged Assets Separately Reported, Nonsecuritized Investments Pledged as Collateral, at Fair Value	16,900	16,400
Minimum [Member]
Schedule of Available-for-sale Securities [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance \| shares			100,000,000
Share Price \| $ / shares			$ 10.00
Maximum [Member]
Schedule of Available-for-sale Securities [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance \| shares			125,000
Share Price \| $ / shares			$ 18.00
Fair Value, Inputs, Level 2 [Member]
Schedule of Available-for-sale Securities [Line Items]
Limited liability investments		10,700
Fair Value, Inputs, Level 2 [Member] \| Warrant [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax	$ 227	$ 180
Performance Share Grant Agreement [Member]
Schedule of Available-for-sale Securities [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance \| shares			475,000
Clause 2 [Member]
Schedule of Available-for-sale Securities [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance \| shares			125,000
Share Price \| $ / shares			$ 12.00
Clause 3 [Member]
Schedule of Available-for-sale Securities [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance \| shares			125,000
Share Price \| $ / shares			$ 15.00
Clause 1, 2 and 3 [Member]
Schedule of Available-for-sale Securities [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance \| shares			350,000
Clause 1 and 2 [Member]
Schedule of Available-for-sale Securities [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance \| shares			225,000