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Consolidated Statements of Cash Flows (Parentheticals) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2011 | Dec. 31, 2013
Repurchase of shares of common stock warrants | 521,888 |
Net cash received at closing (in Dollars) |  | $ 3,025,073
Net cash paid at closing (in Dollars) |  | $ 30,425,618

X
- Definition The net amount of cash paid at closing. + References No definition available. + Details
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Namespace Prefix: | qcrh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The net amount of cash received at closing. + References No definition available. + Details
Name: | qcrh_NetCashReceivedAtClosing
Namespace Prefix: | qcrh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Repurchase of shares of common stock warrants + References No definition available. + Details
Name: | qcrh_RepurchaseOfSharesOfCommonStockWarrants
Namespace Prefix: | qcrh_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration