XML 20 R9.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Consolidated Statements of Cash Flows (Unaudited) (Parentheticals) - shares | 6 Months Ended
--- | ---
Jun. 30, 2016 | Jun. 30, 2015
Common Stock Offering 1 [Member] |  |
Net proceeds from the common stock offering, shares issued (in shares) |  | 3,680,000
Common Stock Offering 2 [Member] |  |
Net proceeds from the common stock offering, shares issued (in shares) | 1,215,000 |

X
- Definition Number of shares of stock issued during the period pursuant to acquisitions. + References Reference 1: 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(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 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(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesAcquisitions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=qcrh_CommonStockOffering1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=qcrh_CommonStockOffering2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |