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Consolidated Sponsored Investment Products - Derivative Instruments (Details) - Consolidated Sponsored Investment Products [Member] $ in Thousands | Dec. 31, 2015 USD ($)
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Options [Member] | Long [Member] |
Derivative [Line Items] |
Volume | $ 3,015
Options [Member] | Short [Member] |
Derivative [Line Items] |
Volume | 755
Futures [Member] |
Derivative [Line Items] |
Volume | 278
Forward foreign currency exchange [Member] | Long [Member] |
Derivative [Line Items] |
Volume | 5,591
Forward foreign currency exchange [Member] | Short [Member] |
Derivative [Line Items] |
Volume | 29,069
Interest rate swaps [Member] |
Derivative [Line Items] |
Volume | 69,094
Other swaps [Member] |
Derivative [Line Items] |
Volume | $ 35,180

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + 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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