Fair Value Disclosures - Summary of Investments Measured at Fair Value on a Recurring Basis (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | |
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Sep. 30, 2013
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Sep. 30, 2012
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Common Stock [Member]
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Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ||
Beginning Balance | $ 95 | |
Return of capital | ||
Total gains or losses (realized/unrealized) | ||
Included in earnings (investment income) | ||
Included in other comprehensive income | 2 | |
Purchases, sales, issuances, and settlements | ||
Transfers in and/or out of Level 3 | ||
Ending Balance | 97 | |
Venture Capital Investments [Member]
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Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ||
Beginning Balance | 163 | 168 |
Return of capital | ||
Total gains or losses (realized/unrealized) | ||
Included in earnings (investment income) | ||
Included in other comprehensive income | ||
Purchases, sales, issuances, and settlements | ||
Transfers in and/or out of Level 3 | ||
Ending Balance | $ 163 | $ 168 |