Revenue from Contract with Customer - Revenue from External Customers by Geographic Areas (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Total revenues	$ 1,368,225	$ 1,008,696	$ 638,370
United States
Disaggregation of Revenue [Line Items]
Total revenues	1,309,438	972,220	634,065
Rest of world
Disaggregation of Revenue [Line Items]
Total revenues	58,787	36,476	4,305
Subscription
Disaggregation of Revenue [Line Items]
Total revenues	1,249,579	905,886	564,441
Subscription | United States
Disaggregation of Revenue [Line Items]
Total revenues	1,217,905	882,679	562,991
Subscription | Rest of world
Disaggregation of Revenue [Line Items]
Total revenues	31,674	23,207	1,450
Advertising
Disaggregation of Revenue [Line Items]
Total revenues	115,370	101,739	73,749
Advertising | United States
Disaggregation of Revenue [Line Items]
Total revenues	114,247	100,605	73,538
Advertising | Rest of world
Disaggregation of Revenue [Line Items]
Total revenues	$ 1,123	$ 1,134	$ 211