ACCRUED LIABILITIES - Additional Information (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Payables And Accruals [Line Items]
Accrued legal and professional fees settled upon initial public offering	$ (16.7)	$ 1.9

Accrued Professional Fees, Contingent Consideration, Settled Upon Initial Public Offering, Current

No definition available.

Name:	qnt_AccruedProfessionalFeesContingentConsiderationSettledUponInitialPublicOfferingCurrent
Namespace Prefix:	qnt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant