Goodwill and other intangible assets - Narrative (Details) $ in Thousands		12 Months Ended
	Jan. 27, 2021 USD ($) sportLeague	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Finite-Lived Intangible Assets [Line Items]
Number of major professional sports leagues | sportLeague	4
Goodwill		$ 2,981,587	$ 2,981,587	$ 2,968,693
Locked On Podcast Network LLC
Finite-Lived Intangible Assets [Line Items]
Initial purchase price	$ 13,300
Base purchase price	13,800
Working capital adjustment	500
Goodwill	12,900
Retransmission agreements
Finite-Lived Intangible Assets [Line Items]
Decrease in gross intangible assets		10,400
Decrease In accumulated amortization		$ 10,400
Trade Names | Locked On Podcast Network LLC
Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired	$ 900