Balance Sheet Components - Additional Information (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Balance Sheet Related Disclosures [Abstract]
Property and equipment under capital leases	$ 0.0	$ 0.3

Property, plant and equipment capital leased assets.

No definition available.

Name:	dice_PropertyPlantAndEquipmentCapitalLeasedAssets
Namespace Prefix:	dice_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant