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Share-based payments - Schedule of Key Assumptions Used in Valuation (Details)
 12 Months Ended
Dec. 31, 2025
€ / shares
Dec. 31, 2025
$ / shares
CEO 2025-2027 PSUs    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Grant date share price (in euro per share) € 6.03  
Expected volatility 44.98% 44.98%
Dividend yield 1.69% 1.69%
Risk-free rate 3.51% 3.51%
CEO 2025-2027 PSUs | Bottom of range    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Fair value € 4.08  
CEO 2025-2027 PSUs | Top of range    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Fair value € 5.69  
CEO 2022-2024 PSUs    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Dividend yield 0.00% 0.00%
Risk-free rate 0.00% 0.00%
CEO 2022-2024 PSUs | Bottom of range    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Fair value € 7.43  
Grant date share price (in euro per share) € 7.43  
Expected volatility 30.00% 30.00%
CEO 2022-2024 PSUs | Top of range    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Fair value € 9.13  
Grant date share price (in euro per share) € 9.13  
Expected volatility 40.00% 40.00%
CEO IPO PSUs    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Grant date share price (in euro per share) | $ / shares   $ 10.48
Expected volatility 30.00% 30.00%
Dividend yield 0.00% 0.00%
Risk-free rate 0.73% 0.73%
CEO IPO PSUs | Bottom of range    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Fair value € 5.77  
CEO IPO PSUs | Top of range    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Fair value 6.93  
2025-2027 PSUs    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Grant date share price (in euro per share) € 7.47  
Expected volatility 45.07% 45.07%
Dividend yield 1.37% 1.37%
Risk-free rate 3.68% 3.68%
2025-2027 PSUs | Bottom of range    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Fair value € 4.87  
2025-2027 PSUs | Top of range    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Fair value € 7.09  
2024-2026 PSUs    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Grant date share price (in euro per share) | $ / shares   $ 7.67
Expected volatility 41.77% 41.77%
Dividend yield 1.62% 1.62%
Risk-free rate 4.13% 4.13%
2024-2026 PSUs | Bottom of range    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Fair value € 3.04  
2024-2026 PSUs | Top of range    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Fair value 6.79  
2022-2024 PSUs | Bottom of range    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Fair value € 8.68  
Grant date share price (in euro per share) | $ / shares   $ 9.71
Expected volatility 35.00% 35.00%
Dividend yield 0.90% 0.90%
Risk-free rate 1.96% 1.96%
2022-2024 PSUs | Top of range    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Fair value € 11.52  
Grant date share price (in euro per share) | $ / shares   $ 12.68
Expected volatility 37.50% 37.50%
Dividend yield 1.24% 1.24%
Risk-free rate 4.86% 4.86%
2025-2028 RSUs | Bottom of range    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Fair value € 7.98  
Grant date share price (in euro per share) € 8.35  
Dividend yield 1.44% 1.44%
Risk-free rate 1.18% 1.18%
2025-2028 RSUs | Top of range    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Fair value € 8.42  
Grant date share price (in euro per share) € 8.55  
Dividend yield 1.46% 1.46%
Risk-free rate 3.60% 3.60%
2023 RSUs | Bottom of range    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Fair value € 10.25  
Grant date share price (in euro per share) € 10.3  
Dividend yield 0.80% 0.80%
Risk-free rate 4.93% 4.93%
2023 RSUs | Top of range    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Fair value € 12.95  
Grant date share price (in euro per share) € 12.95  
Dividend yield 1.17% 1.17%
Risk-free rate 5.46% 5.46%
Management 2022 to 2025 RSUs | Bottom of range    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Fair value € 8.62  
Grant date share price (in euro per share) | $ / shares   $ 9.71
Dividend yield 0.90% 0.90%
Risk-free rate 2.07% 2.07%
Management 2022 to 2025 RSUs | Top of range    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Fair value € 11.4  
Grant date share price (in euro per share) | $ / shares   $ 12.68
Dividend yield 1.24% 1.24%
Risk-free rate 4.05% 4.05%
Management IPO PSUs    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Grant date share price (in euro per share) | $ / shares   $ 10.48
Expected volatility 30.00% 30.00%
Dividend yield 0.00% 0.00%
Risk-free rate 0.73% 0.73%
Management IPO PSUs | Bottom of range    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Fair value € 6.18  
Management IPO PSUs | Top of range    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Fair value € 7.35