Summary of Investments Available for Sale by Major Category (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Jun. 30, 2012
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	$ 85,524	$ 67,988
Unrealized gains	447	668
Unrealized losses	(1,189)	(58)
Fair value	84,782	68,598
GSE mortgage-backed securities
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	71,970	51,972
Unrealized gains	294	369
Unrealized losses	(1,020)	(56)
Fair value	71,244	52,285
Mortgage-backed securities issued by U.S. government agencies
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	13,554	16,016
Unrealized gains	153	299
Unrealized losses	(169)	(2)
Fair value	$ 13,538	$ 16,313

Amount of accumulated pre-tax unrealized gain before deducting pre-tax unrealized losses on investments in available-for-sale securities impacting investments.

No definition available.

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Amount of accumulated pre-tax unrealized loss before deducting pre-tax unrealized gain on investments in available-for-sale securities impacting investments.

+ References

No definition available.

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- Definition

This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

+ References

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

-Publisher FASB

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Amount of debt securities categorized neither as held-to-maturity nor trading.

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-Publisher FASB

-Name Accounting Standards Codification

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