XML 93 R75.htm IDEA: XBRL DOCUMENT v3.21.2

Subsequent Events (FY) (Details) - USD ($) $ in Thousands		9 Months Ended
	Dec. 10, 2020	Sep. 30, 2021	Sep. 30, 2020
Subsequent Event [Line Items]
Proceeds from business combination		$ 79,969	$ 0
Cash held-in-trust		254,203
Consideration received on transaction		$ 325,000
Silver Spike
Subsequent Event [Line Items]
Proceeds from business combination	$ 575,000
Cash held-in-trust	250,000
Consideration received on transaction	$ 325,000

X

- Definition

Cash Acquired Through Reverse Recapitalization

+ References

No definition available.

+ Details

Name:	maps_CashAcquiredThroughReverseRecapitalization
Namespace Prefix:	maps_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Proceeds From Reverse Recapitalization Transaction

+ References

No definition available.

+ Details

Name:	maps_ProceedsFromReverseRecapitalizationTransaction
Namespace Prefix:	maps_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The cash inflow associated with the amount received from entity's raising of capital via private rather than public placement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3255-108585

+ Details

Name:	us-gaap_ProceedsFromIssuanceOfPrivatePlacement
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

Name:	us-gaap_SubsequentEventLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=maps_SilverSpikeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: