Amount of specific allowance related to loans identified as troubled debt restructurings.

No definition available.

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- Definition

Reflects the amount of loans and leases that have been removed, or charged off, from both loan receivables and the reserve for credit losses, typically because they are considered to be not salvageable or have been purchased by unconsolidated collection entities.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 114

-Paragraph 20

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.7(d))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Subparagraph d

-Article 9

+ Details

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Period Type:	duration

- Definition

Interest rate stated in the contractual debt agreement.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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- Definition

Amount of investment in financing receivables (after modification) modified by troubled debt restructurings.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 33

-URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953676-111524

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Amount of investment in financing receivables (before modification) modified by troubled debt restructurings.

+ References

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which there was a payment default.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 34

-URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953682-111524

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Namespace Prefix:	us-gaap_
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Balance Type:	debit
Period Type:	instant

- Definition

Reflects the amount of the write-down related to a troubled debt restructuring.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 40

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6951948&loc=d3e18845-111554

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Note 7 - Loans and Allowance for Loan Losses (Detail) (USD $)					9 Months Ended				9 Months Ended
	Sep. 30, 2012	Sep. 30, 2012 TDR Identified Current Period [Member] Commercial Real Estate [Member]	Sep. 30, 2012 Commercial Real Estate [Member] Interest Rate as Modified [Member]	Sep. 30, 2012 Commercial Real Estate [Member] Interest Rate - Original [Member]	Sep. 30, 2012 Commercial Real Estate [Member]	Sep. 30, 2012 Real Estate Mortgage Farmland And Other Commercial Enterprises [Member] Interest Rate as Modified [Member]	Sep. 30, 2012 Real Estate Mortgage Farmland And Other Commercial Enterprises [Member] Interest Rate - Original [Member]	Sep. 30, 2012 Real Estate Mortgage Farmland And Other Commercial Enterprises [Member] TDR Identified Current Period [Member]	Sep. 30, 2012 Real Estate Mortgage Farmland And Other Commercial Enterprises [Member]	Sep. 30, 2011 Real Estate Construction And Land Development [Member]
TDR Financing Receivable Related Allowance	$ 1,600,000									$ 68,000
Debt Instrument, Interest Rate, Stated Percentage			5.00%	7.25%		4.125%	6.00%
Financing Receivable, Modifications, Pre-Modification Recorded Investment					8,800,000
Financing Receivable, Modifications, Post-Modification Recorded Investment		8,700,000						72,000
Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down					437,000				5,000
Financing Receivable, Modifications, Subsequent Default, Recorded Investment										2,900,000
Allowance for Loan and Lease Losses, Write-offs										$ 232,000