Consolidated Statements of Changes in Preferred Stock and Stockholders’ Deficit (Parenthetical) shares in Thousands, $ in Thousands	9 Months Ended
Sep. 30, 2022 USD ($)
Unpaid distributions	$ 10

Noncontrolling Interest, Unpaid Distributions to Noncontrolling Interest Holders

No definition available.

Name:	dms_NoncontrollingInterestUnpaidDistributionsToNoncontrollingInterestHolders
Namespace Prefix:	dms_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration