CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
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| Comprehensive income (loss) | ||||
| Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest | $ 18,396 | $ 23,763 | $ (4,252) | $ 13,804 |
| Other Comprehensive Income (Loss), Net of Tax [Abstract] | ||||
| Other comprehensive (loss) income - Foreign currency translation adjustment | (210) | (1,515) | (10,277) | 33,051 |
| Comprehensive (loss) income for the period | 12,928 | 22,248 | (19,787) | 46,855 |
| Comprehensive loss (income) attributable to the noncontrolling and redeemable noncontrolling interests | (277) | 856 | 1,282 | (3,390) |
| Comprehensive (loss) income attributable to Stagwell Inc. common shareholders | 12,651 | 23,104 | (18,505) | 43,465 |
| Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax | (5,258) | 0 | (5,258) | 0 |
| Other Comprehensive Income (Loss), Net of Tax | $ (5,468) | $ (1,515) | $ (15,535) | $ 33,051 |
| X | ||||||||||
- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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| X | ||||||||||
- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount after income tax of income (loss) including the portion attributable to nonredeemable noncontrolling interest. Excludes the portion attributable to redeemable noncontrolling interest recognized as temporary equity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount after tax and reclassification adjustments of other comprehensive income (loss). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income of defined benefit plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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