Goodwill and other intangible assets - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Indefinite-Lived Intangible Assets [Line Items]
Decrease in accumulated amortization	$ 46,200
Decrease in gross intangible assets	46,200
Goodwill	3,015,973	$ 2,981,587
Octillion Media
Indefinite-Lived Intangible Assets [Line Items]
Indefinite lived intangible assets	56,000
Payment of purchase price	52,800
Adjustment for working capital and maximum earnout	14,000
Intangible assets related to acquired technology and customer relationships	34,400
Goodwill	$ 34,400