Cash, cash equivalents, restricted cash and available-for-sale marketable securities - Reconciliation of cash, cash equivalents, and restricted cash (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021	Sep. 30, 2021	Dec. 31, 2020
Cash, cash equivalents, restricted cash, and available-for-sale marketable securities
Cash and cash equivalents	$ 96,860	$ 117,433
Restricted cash included in deposits and other noncurrent assets	$ 1,515	$ 1,779
Restricted Cash, Statement of Financial Position [Extensible Enumeration]	Deposits And Other Non-Current Assets	Deposits And Other Non-Current Assets
Total cash, cash equivalents, and restricted cash	$ 98,375	$ 119,212	$ 113,254	$ 106,219