Revenue - Digital-only Subscription Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Disaggregation of Revenue [Line Items]
Total revenues	$ 640,178	$ 598,345	$ 1,859,290	$ 1,749,937
Subscription
Disaggregation of Revenue [Line Items]
Total revenues	$ 453,327	$ 418,577	$ 1,321,654	$ 1,225,709
Subscription | Subscription revenue benchmark | Product concentration risk
Disaggregation of Revenue [Line Items]
As % of total	100.00%	100.00%	100.00%	100.00%
Subscription | Digital
Disaggregation of Revenue [Line Items]
Total revenues	$ 322,198	$ 282,228	$ 919,677	$ 810,770
Subscription | Digital | Subscription revenue benchmark | Product concentration risk
Disaggregation of Revenue [Line Items]
As % of total	71.10%	67.40%	69.60%	66.10%
Subscription | Print
Disaggregation of Revenue [Line Items]
Total revenues	$ 131,129	$ 136,349	$ 401,977	$ 414,939
Subscription | Print | Subscription revenue benchmark | Product concentration risk
Disaggregation of Revenue [Line Items]
As % of total	28.90%	32.60%	30.40%	33.90%