Other Non-Current Assets - Narrative (Details) $ in Millions	Dec. 31, 2023 USD ($)
Text Block [Abstract]
Defined benefit plan, benefit obligation, benefits made to escrow	$ 1.0

Defined Benefit Plan, Benefit Obligation, Benefits Paid, Escrow

No definition available.

Name:	kwr_DefinedBenefitPlanBenefitObligationBenefitsPaidEscrow
Namespace Prefix:	kwr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant