Name:	qnbc_StockRepurchasedSinceInceptionShares
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Period Type:	instant

Stock Repurchased Since Inception, Value

No definition available.

Name:	qnbc_StockRepurchasedSinceInceptionValue
Namespace Prefix:	qnbc_
Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Total cost of shares repurchased divided by the total number of shares repurchased.

No definition available.

Name:	qnbc_TreasuryStockAverageCostPerShare
Namespace Prefix:	qnbc_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_DisclosureTextBlockSupplementAbstract
Namespace Prefix:	us-gaap_
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Period Type:	duration

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

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Data Type:	xbrli:sharesItemType
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The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

No definition available.