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Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Numerator |  |  |  |
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest | $ (3,954) | $ (4,965) | $ (4,667) | $ (7,834)
Net Income (Loss) Attributable to Noncontrolling Interest | 989 | 1,771 | 420 | 6,029
Net Income (Loss) Attributable to Parent | $ (2,965) | $ (3,194) | $ (4,247) | $ (1,805)
Denominator |  |  |  |
Basic weighted average number of common shares outstanding (in shares) | 113,484,000 | 115,400,000 | 113,059,000 | 120,272,000
Diluted weighted average number of common shares outstanding (in shares) | 113,484,000 | 115,400,000 | 113,059,000 | 120,272,000
Class of Stock [Line Items] |  |  |  |
Basic (in dollars per share) | $ (0.03) | $ (0.03) | $ (0.04) | $ (0.01)
Diluted (in dollars per share) | $ 0.03 | $ 0.03 | $ 0.04 | $ 0.01
Antidilutive securities excluded from computation of earnings per share (shares) |  |  | 4,600,000 | 3,700,000
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest | $ (3,954) | $ (4,965) | $ (4,667) | $ (7,834)
Income attributable to noncontrolling interests | (989) | (1,771) | (420) | (6,029)
Net Income (Loss) Attributable to Parent | $ (2,965) | $ (3,194) | $ (4,247) | $ (1,805)
Weighted Average Number of Shares Outstanding, Basic | 113,484,000 | 115,400,000 | 113,059,000 | 120,272,000
Diluted weighted average number of common shares outstanding (in shares) | 113,484,000 | 115,400,000 | 113,059,000 | 120,272,000
Stagwell Media |  |  |  |
Numerator |  |  |  |
Net Income (Loss) Attributable to Noncontrolling Interest | $ (2,535) | $ 771 | $ (3,582) | $ 2,734
Class of Stock [Line Items] |  |  |  |
Income attributable to noncontrolling interests | 2,535 | (771) | 3,582 | (2,734)
Stagwell Global |  |  |  |
Numerator |  |  |  |
Net Income (Loss) Attributable to Noncontrolling Interest | 1,546 | 1,000 | 3,162 | 3,295
Class of Stock [Line Items] |  |  |  |
Income attributable to noncontrolling interests | $ (1,546) | $ (1,000) | $ (3,162) | $ (3,295)
Common Class C |  |  |  |
Class of Stock [Line Items] |  |  |  |
Antidilutive securities excluded from computation of earnings per share (shares) | 151,649,000 | 155,821,000 | 151,649,000 | 158,351,000
Stock Appreciation Rights (SARs) |  |  |  |
Class of Stock [Line Items] |  |  |  |
Antidilutive securities excluded from computation of earnings per share (shares) | 4,177,000 | 4,416,000 | 3,641,000 | 4,736,000
Employee Stock |  |  |  |
Class of Stock [Line Items] |  |  |  |
Antidilutive securities excluded from computation of earnings per share (shares) | 39,000 |  | 39,000 |
Stock Appreciation Rights and Restricted Awards |  |  |  |
Class of Stock [Line Items] |  |  |  |
Antidilutive securities excluded from computation of earnings per share (shares) | 2,810,000 | 4,719,000 | 2,851,000 | 4,620,000

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