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Related Parties (Details) - FS&C [Member] - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Trinity [Member]
Related Party Transaction [Line Items]
Investment expenses	$ 0.1	$ 0.3
Pension Plans [Member] | Investment Management Services for Defined Benefit Plan [Member]
Related Party Transaction [Line Items]
Investment expenses	0.3	$ 0.3
Assets under Management, Carrying Amount	$ 149.5

X

- Definition

The carrying amount of assets an investment adviser manages on behalf of investors.

+ References

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- Definition

Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 850



-SubTopic 10



-Section 50



-Paragraph 1



-Subparagraph (c)



-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

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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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