XML 128 R10.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Other Investments | 12 Months Ended
--- | ---
Dec. 31, 2014
Investments, All Other Investments [Abstract] |
Other Investments | Other Investments Other investments consist of investments in funds advised by Affiliates which are carried at fair value. The income or loss related to these investments is classified within Investment and other income in the Consolidated Statements of Income.

X
- Definition The entire disclosure for investments, including all tables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 6 -Section 10 -Paragraph (c) -Subparagraph (1) + Details
Name: | invest_InvestmentTextBlock
Namespace Prefix: | invest_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_InvestmentsAllOtherInvestmentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration