Loans Receivable - Schedule of Modified TDRs (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Receivables [Abstract]
Extended maturities		$ 441
Interest rate adjustment		489
Maturity and interest rate adjustment	1,545	2,509
Movement to or extension of interest-rate only payments		622
Forbearance
Covenant modifications
Other concession(s)
Total	$ 1,545	$ 4,061

Financing receivable, modifications, covenant modifications.

No definition available.

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Financing Receivable Modifications Extended Maturities

No definition available.

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Financing receivable modifications extension of interest-rate only payments.

No definition available.

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Financing receivable, modifications, forbearance.

No definition available.

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Financing receivable, modifications, interest rate adjustment.

No definition available.

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Financing receivable, modifications, maturity and interest rate adjustment.

No definition available.

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Financing receivable, modifications, other concession(s).

No definition available.

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Represents the balance outstanding at the end of the period of loans modified in the current period.

No definition available.

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