Recorded Investment in Individually Impaired Loans Past Due (Detail) (Individually Evaluated for Impairment, USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Individually Evaluated for Impairment
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	$ 1,031	$ 2,604
60-89 Days Past Due	709
90+ Days Past Due	804	1,046
Current	9,310	9,650
Recorded investment	$ 11,854	$ 13,300

The amount of the recorded investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, accounts receivable (with terms exceeding one year), notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Receivable
-URI http://asc.fasb.org/extlink&oid=6953735

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- Definition

Financing receivables that are less than 60 days past due but more than 29 days past due.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7A
-URI http://asc.fasb.org/extlink&oid=6965416&loc=SL6953401-111524

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- Definition

Financing receivables that are less than 90 days past due but more than 59 days past due.

+ References

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- Definition

Financing receivables that are current.

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- Definition

Financing receivables that are equal to or greater than 90 days past due.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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