5. INVESTMENT SECURITIES (Detail) - (Table 4) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013
Asset-Backed Securities, Securitized Loans and Receivables [Member] \| Carrying (Reported) Amount, Fair Value Disclosure [Member]
Investment securities not due at a single maturity date:
Investments securities not due at a single maturity date	$ 222,822
Investments securities not due at a single maturity date	1,497
Asset-Backed Securities, Securitized Loans and Receivables [Member] \| Estimate Of Fair Value, Fair Value Disclosure [Member]
Investment securities not due at a single maturity date:
Investments securities not due at a single maturity date	224,148
Investments securities not due at a single maturity date	1,586
Equity Securities Industry [Member] \| Carrying (Reported) Amount, Fair Value Disclosure [Member]
Investment securities not due at a single maturity date:
Investments securities not due at a single maturity date	64
Investments securities not due at a single maturity date
Equity Securities Industry [Member] \| Estimate Of Fair Value, Fair Value Disclosure [Member]
Investment securities not due at a single maturity date:
Investments securities not due at a single maturity date	99
Investments securities not due at a single maturity date
Total [ Member] \| Carrying (Reported) Amount, Fair Value Disclosure [Member]
Investment securities not due at a single maturity date:
Investments securities not due at a single maturity date	252,454
Investments securities not due at a single maturity date	1,497
Total [ Member] \| Estimate Of Fair Value, Fair Value Disclosure [Member]
Investment securities not due at a single maturity date:
Investments securities not due at a single maturity date	254,644
Investments securities not due at a single maturity date	1,586
Carrying (Reported) Amount, Fair Value Disclosure [Member]
Within one year	825
After one year through five years	3,384
After five years through ten years	11,618
After ten years	13,741
Aggregate amount of available-for-sale debt securities at fair value with specific maturity dates.	29,568
Estimate Of Fair Value, Fair Value Disclosure [Member]
Within one year	828
After one year through five years	3,512
After five years through ten years	12,066
After ten years	13,991
Aggregate amount of available-for-sale debt securities at fair value with specific maturity dates.	$ 30,397

Aggregate amount of available-for-sale debt securities at fair value with specific maturity dates.

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Amount of available-for-sale debt securities at fair value maturing in the sixth fiscal year through the tenth fiscal year following the latest fiscal year.

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Amount of available-for-sale debt securities at fair value maturing in the second fiscal year through the fifth fiscal year following the latest fiscal year.

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Amount of available-for-sale debt securities at fair value maturing after the tenth fiscal year following the latest fiscal year.

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Amount of available-for-sale debt securities at fair value maturing in the remainder of the fiscal year following the latest fiscal year ended.

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Amount of available-for-sale debt securities at fair value that do not have a single maturity date and which the entity has decided to disclose separately rather than allocating the fair value over several maturity groupings.

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Amount of held-to-maturity debt securities at fair value that do not have a single maturity date and which the entity has decided to disclose separately rather than allocating the fair value over several maturity groupings.

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