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Note 10 - Junior Subordinate Debentures (Details) - Trust Preferred Securities (Trust Preferred Securities [Member], USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012
Investments in and Advances to Affiliates [Line Items] |  |
Amount Issued (in Dollars) | $ 42,787,000 |
Interest rate description |  |
Interest rate period end | 2.51% | 2.68%
QCR Holdings Statutory Trust II [Member] |  |
Investments in and Advances to Affiliates [Line Items] |  |
Date issued | Feb. 29, 2004 |
Amount Issued (in Dollars) | 12,372,000 |
Interest rate description | 2.85% |
Interest rate period end | 3.10% | 3.21%
QCR Holdings Statutory Trust III [Member] |  |
Investments in and Advances to Affiliates [Line Items] |  |
Date issued | Feb. 29, 2004 |
Amount Issued (in Dollars) | 8,248,000 |
Interest rate description | 2.85% |
Interest rate period end | 3.10% | 3.21%
QCR Holdings Statutory Trust IV [Member] |  |
Investments in and Advances to Affiliates [Line Items] |  |
Date issued | May 31, 2005 |
Amount Issued (in Dollars) | 5,155,000 |
Interest rate description | 1.80% |
Interest rate period end | 2.04% | 2.14%
QCR Holdings Statutory Trust V [Member] |  |
Investments in and Advances to Affiliates [Line Items] |  |
Date issued | Feb. 28, 2006 |
Amount Issued (in Dollars) | 10,310,000 |
Interest rate description | 1.55% |
Interest rate period end | 1.79% | 1.89%
Community National Trust II [Member] |  |
Investments in and Advances to Affiliates [Line Items] |  |
Date issued | Sep. 30, 2004 |
Amount Issued (in Dollars) | 3,093,000 |
Interest rate description | 2.17% |
Interest rate period end | 2.42% |
Community National Trust III [Member] |  |
Investments in and Advances to Affiliates [Line Items] |  |
Date issued | Mar. 31, 2007 |
Amount Issued (in Dollars) | $ 3,609,000 |
Interest rate description | 1.75% |
Interest rate period end | 1.99% |

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- Definition Trust preferred securities date issued. + References No definition available. + Details
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400 + Details
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- Definition The effective interest rate at the end of the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 3: 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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