Leases - Lease costs and other lease information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Lease costs
Operating lease cost	$ 461	$ 581
Variable lease cost	266	225
Short-term lease cost	36	43
Sublease Income	(48)	(60)
Net lease cost	715	789
Cash paid for amounts included in the measurement of lease liabilities operating cash flows from operating leases	460	479
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 108	$ 257