Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance		$ 33,087			$ 33,087
Net change related to derivatives	$ (98)		$ (205)		(98)	$ (788)
Net current-period other comprehensive income (loss)	887	(2,541)	(741)	$ (1,294)
Balance	9,994				9,994
Foreign Currency Items [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance		(986)			(986)
Net current-period other comprehensive income (loss)					(1,659)
Balance	(2,645)				(2,645)
Unrealized Gain (Losses) On Available-For-Sale Investments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance		(18)			(18)
Net current-period other comprehensive income (loss)					1
Balance	(17)				(17)
Accrued Pension Service Costs [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance		(1,669)			(1,669)
Net current-period other comprehensive income (loss)					104
Balance	(1,565)				(1,565)
Hedge Accounting Reserve [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total change in hedge fair value recorded in Other Comprehensive Income					(98)
Net change related to derivatives					(98)
Net current-period other comprehensive income (loss)					(98)
Balance	(98)				(98)
Accumulated Other Comprehensive Income/(Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance		(2,673)			(2,673)
Total change in hedge fair value recorded in Other Comprehensive Income					(98)
Net change related to derivatives					(98)
Net current-period other comprehensive income (loss)	886	$ (2,538)	$ (740)	$ (1,293)	(1,652)
Balance	$ (4,325)				$ (4,325)