Related Party Transactions - DMSH Member Tax Distributions (Details) - USD ($)	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Related Party Transactions [Abstract]
Tax distributions to members	$ 0	$ 0

Related Party Tax Expense, Tax Distributions to Members

No definition available.

Name:	dms_RelatedPartyTaxExpenseTaxDistributionsToMembers
Namespace Prefix:	dms_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration