Fair Value Measurements (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2021
Fair Value Disclosures [Abstract]
Fair value of derivative warrant liabilities	$ 16.2	$ 13.9

Amount of fair value derivative warrant liabilities.

No definition available.

Name:	xpdi_FairValueOfDerivativeWarrantLiabilities
Namespace Prefix:	xpdi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration