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Significant Accounting Policies - Narrative (Detail) (USD $) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2014 | Sep. 30, 2014 Segment | Dec. 31, 2013
Business Organization And Significant Accounting Policies [Line Items] |  |  |
Number of business segment |  | 1 |
Allowance for doubtful accounts | $ 0 | $ 0 | $ 0
Transfers between fair value levels | 0 | 0 | 0
Client Performance Period |  | 5 years |
Advance commissions amortization period |  | 12 months |
Contractual Expense Reimburse, Net | 441,411 | 1,238,765 |
Liability for Uncertain Tax Positions, Current | 0 | 0 | 0
Class A, C, and I Shares |  |  |
Business Organization And Significant Accounting Policies [Line Items] |  |  |
Rate of Administrative Service Fees | 0.25% | 0.25% |
Class Y |  |  |
Business Organization And Significant Accounting Policies [Line Items] |  |  |
Rate of Administrative Service Fees | 0.10% | 0.10% |
Mutual Funds | Money Market Funds | Level 1 Inputs |  |  |
Business Organization And Significant Accounting Policies [Line Items] |  |  |
Cash Equivalent Fair Value | $ 38,800,000 | $ 38,800,000 | $ 16,800,000

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- Definition For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 4 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5074-111524 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References No definition available. + Details
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