Segment reporting - Geographic information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Segment Reporting Information
Net Revenue	$ 658,651	$ 589,788	$ 1,933,758	$ 1,752,462
PR
Segment Reporting Information
Net Revenue	542,178	476,863	1,590,030	1,418,243
US
Segment Reporting Information
Net Revenue	97,331	95,145	288,619	279,246
Other
Segment Reporting Information
Net Revenue	$ 19,142	$ 17,780	$ 55,109	$ 54,973