SUBSEQUENT EVENTS (Details)	Dec. 31, 2020 USD ($)
SUBSEQUENT EVENTS
Minimum net tangible assets upon consummation of the Business Combination	$ 5,000,001
Cash available upon consummation of Business Combination	$ 2,600,000,000

Represents the minimum net tangible assets upon consummation of the Business Combination.

No definition available.

Name:	wpf_MinimumNetTangibleAssetsUponConsummationOfBusinessCombination
Namespace Prefix:	wpf_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant