v3.21.2

CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY- (Parenthetical) | 3 Months Ended
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Jun. 30, 2020 shares
CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY |
Sale of units (in shares) | 103,500,000
Number Of Warrants Issued | 15,133,133

X
- References No definition available. + Details
Name: | us-gaap_StatementOfStockholdersEquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of warrants issued. + References No definition available. + Details
Name: | wpf_NumberOfWarrantsIssued
Namespace Prefix: | wpf_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of new units issued during the period. + References No definition available. + Details
Name: | wpf_UnitsIssuedDuringPeriodSharesNewIssues
Namespace Prefix: | wpf_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration