Note 11 - COMMITMENTS (Details) $ in Millions	3 Months Ended
Mar. 31, 2024 USD ($)
Commitments and Contingencies
Contract price	$ 17.0
Construction payment	7.4
Construction remaining future commitment	$ 9.6

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