CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (FY) (Parenthetical)	7 Months Ended
Dec. 31, 2019 shares
Initial Public Offering [Member]
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Sale of Units (in shares)	25,000,000
Class B [Member]
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Forfeiture of ordinary shares (in shares)	937,500

Number of shares of common stock subject to forfeiture that were forfeited due to the over-allotment option that was not exercised by the underwriters.

No definition available.

Name:	maps_CommonStockSharesSubjectToForfeitureForfeited
Namespace Prefix:	maps_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration