Revenue recognition - Summary of Deferred Revenue Balances by Reportable Segment (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Total deferred revenue	$ 312,226	$ 282,414	$ 278,279
Enterprise
Disaggregation of Revenue [Line Items]
Total deferred revenue	254,541	220,127	219,030
Consumer
Disaggregation of Revenue [Line Items]
Total deferred revenue	$ 57,685	$ 62,287	$ 59,249