Aggregate fees waived and expenses borne.

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Annual Administrative Fee Rate

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Annual Administrative Fee Rate, Previous

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Fees Waived And/Or Expenses Reimbursed to Maintain Minimum Yield

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- Definition

Increase (decrease) in base advisory fees realized.

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Investment Advisory Fees, Fee Adjustment, Base Percentage Adjustment When Fund Performance Is Not Within Limits to Benchmark Index

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No definition available.

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Investment Advisory Fees, Fee Adjustment, Percent Minimum Performance to Designed Benchmark Over Prior Rolling 12 Months

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No definition available.

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Number of Customers

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Revenue from Administrative Services per Fund

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- Definition

Waivers recoverable in the traditional calendar year.

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Waivers recoverable in the second traditional calendar year.

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- Definition

Amount of fees earned from providing investment advice and research to customers.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-04.13(a),(d))

-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

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The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

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-Section 02

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-Subparagraph (SX 210.5-02.3,4)

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-Name Regulation S-X (SX)

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INVESTMENT MANAGEMENT, TRANSFER AGENT AND OTHER FEES - Additional Information (Detail) (USD $)	0 Months Ended	1 Months Ended	3 Months Ended		9 Months Ended
	Nov. 01, 2014	Dec. 31, 2013	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014	Jun. 30, 2014
Investment Management And Other Fees [Line Items]
Base percentage adjustment when fund performance is not within limits to benchmark index			0.25%		0.25%
Percent minimum performance to designated benchmark over prior rolling 12 months			5.00%		5.00%
Increase (decrease) in base advisory fees realized			$ (281,000)	$ (214,000)	$ (710,000)	$ (632,000)
Aggregate fees waived and expenses borne			391,000	354,000	1,005,000	2,102,000
Fees waived and or expenses reimbursed U.S. Treasury Securities Cash Fund to maintain minimum yield				0		584,000
Administrative services fees per fund	7,000	10,000
Receivables			1,900,000us-gaap_ReceivablesNetCurrent		1,900,000us-gaap_ReceivablesNetCurrent		2,513,000us-gaap_ReceivablesNetCurrent
Recorded advisory and performance fees			1,248,000us-gaap_InvestmentAdvisoryFees	1,826,000us-gaap_InvestmentAdvisoryFees	5,359,000us-gaap_InvestmentAdvisoryFees	5,737,000us-gaap_InvestmentAdvisoryFees
Investor Class Shares
Investment Management And Other Fees [Line Items]
Previous administrative fee rate		0.08%
Current annual administrative fee rate		0.10%
Institutional Class Shares
Investment Management And Other Fees [Line Items]
Previous administrative fee rate		0.06%
Current annual administrative fee rate		0.08%
Offshore Funds
Investment Management And Other Fees [Line Items]
Recorded advisory and performance fees			25,000	42,000	103,000	147,000
Offshore Funds \| Investment Advisory Services
Investment Management And Other Fees [Line Items]
Number of offshore clients company provides advisory services for			2		2
Government Fund
Investment Management And Other Fees [Line Items]
Minimum yield waivers recoverable through 12/31/15					510,000
Minimum yield waivers recoverable through 12/31/16					498,000
Receivables \| U.S. Global Investors Funds
Investment Management And Other Fees [Line Items]
Receivables			502,000		502,000
Galileo Global Equity Advisor Inc
Investment Management And Other Fees [Line Items]
Recorded advisory and performance fees			$ 413,000			$ 1,590,000