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Fair Value Disclosures (Schedule of Changes in Level 3 Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | |
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Sep. 30, 2012
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Sep. 30, 2011
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Loan Subject to Fair Value Hedge [Member]
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| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ||
| Beginning Balance | $ 12,372 | $ 11,405 |
| Total Realized/ Unrealized Gains (Losses) Included in Noninterest Income | 44 | 1,035 |
| Purchases, Sales, Issuances, and Settlements, net | (85) | (77) |
| Ending Balance | 12,331 | 12,363 |
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Derivative Financial Instruments [Member]
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| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ||
| Beginning Balance | (1,054) | 650 |
| Total Realized/ Unrealized Gains (Losses) Included in Noninterest Income | (7) | (1,365) |
| Ending Balance | $ (1,061) | $ (715) |