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Investments that the Company did not measure at fair value on the balance sheet date, which primarily relate to the company's investments that are accounted for using the cost method of accounting, equity method of accounting or investment company accounting.

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- Definition

Other invested assets and liabilities carried at cost, which are related to the underlying business related to the funds held - directly managed account.

+ References

No definition available.

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Interest, dividends, rents, ancillary and other revenues earned but not yet received by the entity on its investments.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.3)

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-Publisher SEC

-Name Regulation S-X (SX)

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-Publisher SEC

-Name Regulation S-X (SX)

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Cash

-URI http://asc.fasb.org/extlink&oid=6506951

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Cash Equivalents

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-Publisher SEC

-Name Regulation S-X (SX)

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.1)

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-Publisher FASB

-Name Accounting Standards Codification

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-Section 45

-Paragraph 1

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-URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765

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-Publisher FASB

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-Topic 230

-SubTopic 10

-Section 45

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3044-108585

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Amount of transfers of assets measured on a recurring basis out of Level 2 of the fair value hierarchy into Level 1.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (bb)

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Fair Value - narrative items (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Fair Value - Other Details [Line Items]
Carrying amount of other invested assets not at fair value	$ 187,000,000pre_InvestmentsNotCarriedAtFairValue
Fair Value Assets Level 2 To Level 1 Transfers Amount	0	0
Cash and cash equivalents	1,313,468,000	1,496,485,000	1,121,705,000	1,342,257,000
Accrued investment income	158,737,000	185,717,000
Funds held directly managed [Member]
Fair Value - Other Details [Line Items]
Other net assets	88,300,000	133,000,000
Cash and cash equivalents	42,300,000	84,800,000
Accrued investment income	5,700,000	6,700,000
Trading securities [Member] \| Other invested assets [Member]
Fair Value - Other Details [Line Items]
Carrying amount of other invested assets not at fair value	$ 187,300,000	$ 185,800,000