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

The amount of contract price remaining for future payment consisting of work plus fee payable under construction commitment.

No definition available.

Name:	qcrh_ConstructionCommitmentRemainingFutureCommitment
Namespace Prefix:	qcrh_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant