XML 43 R32.htm IDEA: XBRL DOCUMENT v3.23.2

Basis of Presentation and Recent Developments (Details)	6 Months Ended
	Jun. 30, 2023
Stockholders' Equity Attributable to Noncontrolling Interest
Business Acquisition [Line Items]
Immaterial Error Correction	24.0 million
Accumulated Other Comprehensive Income (Loss), Net of Tax
Business Acquisition [Line Items]
Immaterial Error Correction	24.0 million

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

X

- Definition

Describes nature and related effect on financial statements related to corrections of prior year errors in the current year financial statements when the effect of the prior year error was immaterial to the prior year financial statements and the current year correction is immaterial to the current year financial statements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 1.M.1)
-URI https://asc.fasb.org/extlink&oid=122038215&loc=d3e30365-122693

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 7
-URI https://asc.fasb.org/extlink&oid=124431687&loc=d3e22644-107794

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 1.N.Q2)
-URI https://asc.fasb.org/extlink&oid=122038215&loc=d3e30840-122693

+ Details

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

X

- Details

Name:	us-gaap_BalanceSheetLocationAxis=stgw_StockholdersEquityAttributableToNoncontrollingInterestMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_BalanceSheetLocationAxis=stgw_AccumulatedOtherComprehensiveIncomeLossNetOfTaxMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: