Loans Held-for-Sale - Schedule of Activity Relating to Our Loans Held-for-Sale (Detail) (USD $) In Thousands, unless otherwise specified	9 Months Ended
Sep. 30, 2013
Gross Book Value [Member]
Loans Held-for-Sale, Net
Beginning Balance, gross
Reclassification from loans receivable	6,601
Valuation allowance on loans held-for-sale
Loans sold	(6,601)
Ending Balance, gross
Valuation Allowance [Member]
Loans Held-for-Sale, Net
Beginning Balance, allowance
Reclassification from loans receivable	(4,601)
Valuation allowance on loans held-for-sale	1,200
Loans sold	3,401
Ending Balance, allowance
Net Book Value [Member]
Loans Held-for-Sale, Net
Beginning Balance, book
Reclassification from loans receivable	2,000
Valuation allowance on loans held-for-sale	1,200
Loans sold	(3,200)
Ending Balance, book

The amount reclassified from loans receivable.

No definition available.

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- Definition

Amount of other addition (reduction) in allowance reserve for credit loss.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (a)

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-Section S99

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-Subparagraph (SX 210.9-03.7(d))

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Subparagraph d

-Article 9

+ Details

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- Definition

Amount of reduction of allowance reserve for credit loss arising from sale of loan and lease portfolios.

+ References

+ Details

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- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

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-Subparagraph (SX 210.9-03.7(d))

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-Paragraph 2

-Subparagraph (b)(1)(ii)

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 6

-Section L

-Subsection 1

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- Definition

The face amount of loans that will be sold to other entities.

+ References

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- Definition

Amount of loans held for sale, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans classified as debt securities.

+ References

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

-Publisher FASB

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-Name Regulation S-X (SX)

-Number 210

-Section 03

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-Topic 948

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- Definition

Reconcile the changes in loans that will be sold to other entities balances to the amounts presented in the consolidated statement of cash flows. Enter the deductions to trade accounts that will be sold to other entities for the period.

+ References

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- Definition

The cash inflow resulting from the sale of loans classified as held-for-sale, including proceeds from loans sold through mortgage securitization.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

-Section 45

-Paragraph 21

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