The Percentage of common stock of the reporting entity owned by a third party.

No definition available.

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- Definition

Amount of income (loss) before income taxes resulting from investment advisory services.

+ References

No definition available.

+ Details

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- Definition

The percentage threshold for investment portfolio allocations requiring additional consent.

+ References

No definition available.

+ Details

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- Definition

The investment target portfolio allocation as a percent.

+ References

No definition available.

+ Details

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- Definition

The investment target portfolio allocation amount.

+ References

No definition available.

+ Details

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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

The minimum number of investment committee members required to authorize investment.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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- Details

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Investments - Investment Management Agreement (Details) $ in Millions	6 Months Ended	63 Months Ended
	Jun. 30, 2018 USD ($) item	Jun. 30, 2018 USD ($)
Securities of any one issuer (excluding the U.S. Government)
Investments
Number of Investment Committee members required to authorize investment \| item	2
Minimum \| Securities of any one issuer (excluding the U.S. Government)
Investments
Investments, portfolio allocations requiring additional consent	10.00%
Maximum \| Securities of any one issuer (excluding the U.S. Government)
Investments
Investments, target portfolio allocations percent	15.00%
Investments, portfolio allocations requiring additional consent	15.00%
Cash, investment grade cash equivalents or U.S. treasury securities \| Minimum
Investments
Investments, target portfolio allocations percent	25.00%
Common stock investments \| Maximum
Investments
Investments, target portfolio allocations, amount	$ 100.0
Common stock investments \| Maximum \| Single issuer of exchange-traded common equities
Investments
Investments, target portfolio allocations percent	5.00%
Common, preferred or other equity investments \| Maximum
Investments
Investments, target portfolio allocations percent	25.00%
FCM and FTC
Investments
Pre-tax income resulting from investment advisory services		$ 61.9
Investor \| FCM, FTC and Mr Berkowitz
Investments
Common stock ownership percentage	44.38%	44.38%