Commitments and Contingencies - Additional Information (Details) $ in Millions	3 Months Ended
Mar. 31, 2020 USD ($)
Commitments And Contingencies [Line Items]
Operating lease, lease not yet commenced, lease liability	$ 17.7
Open Purchase Commitments
Commitments And Contingencies [Line Items]
Distribution fees, software license fees and marketing services	$ 35.7

Lessee, operating lease, lease not yet commenced, lease liability.

No definition available.

Name:	quot_LesseeOperatingLeaseLeaseNotYetCommencedLeaseLiability
Namespace Prefix:	quot_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant