Name:	msda_FairValueMeasurementsDetailsScheduleoffairvalueofderivativeliabilitiesLineItems
Namespace Prefix:	msda_
Data Type:	xbrli:stringItemType
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Period Type:	duration

Issuance of derivative liabilities.

No definition available.

Name:	msda_IssuanceOfDerivativeLiabilities
Namespace Prefix:	msda_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Transfer of Public Warrants to Level.

No definition available.

Name:	msda_TransferOfPublicWarrantsToLevel1
Namespace Prefix:	msda_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Fair value of the assets less the liabilities of a derivative or group of derivatives.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611

Name:	us-gaap_DerivativeFairValueOfDerivativeNet
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of expense (income) related to adjustment to fair value of warrant liability.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section 25
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=109262497&loc=d3e20148-110875

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

The increase (decrease) during the period in the carrying value of derivative instruments reported as liabilities that are due to be disposed of within one year (or the normal operating cycle, if longer).

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585

MSD ACQUISITION CORP. / NEW 10-K