Revenue recognition - Summary of Deferred Revenue Balances by Reportable Segment (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Total deferred revenue	$ 282,166	$ 278,279	$ 210,554
Enterprise
Disaggregation of Revenue [Line Items]
Total deferred revenue	224,096	219,030	148,966
Consumer
Disaggregation of Revenue [Line Items]
Total deferred revenue	$ 58,070	$ 59,249	$ 61,588