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Goodwill and intangible assets - Narrative (Details) - USD ($)
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]      
Accumulated goodwill impairment loss $ 39,100,000 $ 0  
Amortization expense $ 7,200,000 $ 9,700,000 $ 10,100,000