Benefit Plans - (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Components of net periodic benefit cost
Service cost	$ 81	$ 76
Interest cost	81	78
Expected return on plan assets	(156)	(133)
Amortization (accretion) of prior service cost and net loss	(22)	10
Net periodic benefit cost	$ (16)	$ 31