Related Party Transactions - Schedule of Aggregate Changes in Balance of Gross Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Related Party Transactions [Abstract]
Short term	$ 41	$ 41
Total liability related to tax receivable agreement	$ 41	$ 41

Carrying value as of the balance sheet liability related to tax receivable agreement. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

No definition available.

Name:	drct_CurrentPortionOfLiabilityRelatedToTaxReceivableAgreement
Namespace Prefix:	drct_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant