Leases (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Leases
Operating lease cost	$ 390	$ 420
Cash paid for amounts included in the measurement of lease liabilities	384	408
Operating cash flows from operating leases	0	0
Right-of-use assets obtained in exchange for new lease liabilities - operating leases	$ 64	$ 0
Weighted-average remaining lease term - operating leases	7 years 7 months 13 days	8 years 1 month 28 days
Weighted-average discount rate - operating leases	2.86%	2.76%