Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Jun. 30, 2017
Available-for-Sale Securities
Mutual funds	$ 1,728	$ 9,043
Held-to-maturity securities, maturities less than 1 year	1,328	1,607
Held-to-maturity securities, remaining maturities from 1-3 years		1,441
Held-to-maturity securities, maturities from 91-360 days	495	250
Held-to-maturity securities, maturities over 360 days	50	549
Investments	3,601	12,890
Mutual funds, fair value	1,728	9,043
Held-to-maturity securities, maturities less than 1 year, fair value	1,328	1,607
Held-to-maturity securities, remaining maturities from 1-3 years, fair value		1,441
Held-to-maturity securities, maturities from 91-360 days, fair value	495	250
Held-to-maturity securities, maturities over 360 days, fair value	50	549
Investments, fair value	3,601	12,890
Level 1
Available-for-Sale Securities
Mutual funds, fair value	1,728	9,043
Held-to-maturity securities, maturities less than 1 year, fair value	0	0
Held-to-maturity securities, remaining maturities from 1-3 years, fair value		0
Held-to-maturity securities, maturities from 91-360 days, fair value	0	0
Held-to-maturity securities, maturities over 360 days, fair value	0	0
Investments, fair value	1,728	9,043
Level 2
Available-for-Sale Securities
Mutual funds, fair value	0	0
Held-to-maturity securities, maturities less than 1 year, fair value	1,328	1,607
Held-to-maturity securities, remaining maturities from 1-3 years, fair value		1,441
Held-to-maturity securities, maturities from 91-360 days, fair value	495	250
Held-to-maturity securities, maturities over 360 days, fair value	50	549
Investments, fair value	1,873	3,847
Level 3
Available-for-Sale Securities
Mutual funds, fair value	0	0
Held-to-maturity securities, maturities less than 1 year, fair value	0	0
Held-to-maturity securities, remaining maturities from 1-3 years, fair value		0
Held-to-maturity securities, maturities from 91-360 days, fair value	0	0
Held-to-maturity securities, maturities over 360 days, fair value	0	0
Investments, fair value	$ 0	$ 0

Held-To-Maturity Securities, Debt Maturities, 91 To 360 Days, Fair Value

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- Definition

Held-To-Maturity Securities, Debt Maturities, 91 To 360 Days, Net Carrying Amount

+ References

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- Definition

Held-to-maturity Securities, Debt Maturities, after One Through Three Years, Fair Value

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Held-to-maturity Securities, Debt Maturities, after One Through Three Years, Net Carrying Amount

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Held-To-Maturity Securities, Debt Maturities, Over 360 Days, Fair Value

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No definition available.

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Held-To-Maturity Securities, Debt Maturities, Over 360 Days, Net Carrying Amount

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- Definition

This element represents the carrying value of the mutual funds.

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This element represents amount of fair value for mutual funds.

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- Definition

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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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.

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Fair value of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date, maturing in next fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
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Amount of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date, maturing in next fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.

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- Definition

Sum of the carrying amounts as of the balance sheet date of all investments.

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-Publisher FASB
-Name Accounting Standards Codification
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