Condensed Consolidated Statements of Financial Condition (Parenthetical) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
Jun. 30, 2016	Dec. 31, 2015
Other investments, at fair value	$ 100,616	$ 67,626
Class A Units
Par Value (in dollars per share)	$ 0	$ 0
Units Authorized (in shares)	Unlimited	Unlimited
Issued (in shares)	62,602,795	61,969,860
Outstanding (in shares)	62,602,795	61,969,860
Class B Units
Par Value (in dollars per share)	$ 0	$ 0
Units Authorized (in shares)	Unlimited	Unlimited
Issued (in shares)	92,340,656	91,937,873
Outstanding (in shares)	92,340,656	91,937,873

Investments, Fair Value Option

No definition available.

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- Definition

Face amount per share of no-par value common stock.

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- Definition

Indicates that the number of common shares permitted to be issued by an entity's charter and bylaws is unlimited. The acceptable value is "Unlimited".

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- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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- Definition

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

+ 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(29))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

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