Defined Benefit Plans - Net Periodic Pension Costs (Details) - Pension Plans, Defined Benefit [Member] - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service costs	$ 130	$ 120
Interest costs	330	320
Expected return on plan assets	(510)	(530)
Amortization of net (gain)/loss	50	30
Net periodic benefit cost (income)	$ 0	$ (60)