Redeemable Noncontrolling Interests (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2016	Sep. 30, 2016
Redeemable noncontrolling interests in consolidated sponsored funds
Net income attributable to redeemable noncontrolling interests	$ 978	$ 1,355
Ending balance of redeemable noncontrolling interest in consolidated sponsored funds	10,372	10,372
Consolidated Sponsored Funds
Redeemable noncontrolling interests in consolidated sponsored funds
Redeemable noncontrolling interests in sponsored funds upon adoption of new accounting guidance on January 1, 2016		14,330
Redeemable noncontrolling interests in sponsored funds consolidated during the period		18,249
Redeemable noncontrolling interests ownership change during the period		20,672
Redeemable noncontrolling interests deconsolidation		(44,234)
Net income attributable to redeemable noncontrolling interests		1,355
Ending balance of redeemable noncontrolling interest in consolidated sponsored funds	$ 10,372	$ 10,372

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Amount of Net Income (Loss) attributable to noncontrolling interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 55
-Paragraph 4J
-URI http://asc.fasb.org/extlink&oid=65897068&loc=SL4591551-111686

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- Definition

The amount of the reduction or elimination during the period of a noncontrolling interest resulting from the parent's loss of control and deconsolidation of the entity in which one or more outside parties had a noncontrolling interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=64809438&loc=SL4573702-111684

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
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- Definition

As of the reporting date, the aggregate carrying amount of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
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-Section S99
-Paragraph 3A
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- Definition

Represents the initial redeemable noncontrolling interests consolidation.

+ References

No definition available.

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- Definition

Amount of increase in non-controlling interest from adoption of consolidation guidance for non-controlling interests in sponsored funds.

+ References

No definition available.

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- Definition

Amount of increase in noncontrolling interests from ownership change of noncontrolling interests holders.

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No definition available.

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