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Note 10 - COMMITMENTS (Details) $ in Millions | 9 Months Ended
--- | ---
Sep. 30, 2023 USD ($)
COMMITMENTS |
Contract price | $ 17.0
Construction payment | 1.2
Construction remaining future commitment | $ 15.8

X
- Definition The amount of contract price consisting of work plus fee payable under construction commitment. + References No definition available. + Details
Name: | qcrh_ConstructionCommitmentContractPrice
Namespace Prefix: | qcrh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of contract price that was paid. + References No definition available. + Details
Name: | qcrh_ConstructionCommitmentPaymentMade
Namespace Prefix: | qcrh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of contract price remaining for future payment consisting of work plus fee payable under construction commitment. + References No definition available. + Details
Name: | qcrh_ConstructionCommitmentRemainingFutureCommitment
Namespace Prefix: | qcrh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration