Leases - Components of lease (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Leases
Operating lease cost	$ 1,004	$ 1,072
Operating cash flows from operating leases	$ 1,111	$ 1,210
Weighted average remaining lease term Operating leases	5 years 6 months 10 days	6 years 5 months 8 days
Weighted average discount rate Operating leases	2.39%	2.35%