Leases - Components of lease expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating lease cost	$ 6,882	$ 5,935	$ 5,000
Short-term lease cost	281	272
Variable lease cost	2,442	1,943
Total lease expense	$ 9,605	$ 8,150