XML 81 R62.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Note 2 - Community National Bancorporation and Community National Bank (Details) - Fair Value of Assets Acquired and Liabilities Assumed (Parentheticals) | May. 13, 2013 shares
--- | ---
Community National Bancorporation and Community National Bank [Member] |
Business Acquisition [Line Items] |
Issuance of common stock, shares | 834,715

X
- Definition Number of shares of equity interests issued or issuable to acquire entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(4) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 + Details
Name: | us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_BusinessAcquisitionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=qcrh_CommunityNationalBancorporationAndCommunityNationalBankMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |