Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance			$ 33,087				$ 33,087
Net change related to derivatives	$ (171)			$ (26)			(269)	$ (813)
Net current-period other comprehensive income (loss)	1,499	$ 887	(2,541)	(1,660)	$ (741)	$ (1,294)
Balance	5,175						5,175
Foreign Currency Items [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance			(986)				(986)
Net current-period other comprehensive income (loss)							(44)
Balance	(1,030)						(1,030)
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	(19)						(19)
Accrued Pension Service Costs [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance			(1,669)				(1,669)
Net current-period other comprehensive income (loss)							156
Balance	(1,513)						(1,513)
Hedge Accounting Reserve [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total change in hedge fair value recorded in Other Comprehensive Income							(269)
Net change related to derivatives							(269)
Net current-period other comprehensive income (loss)							(269)
Balance	(269)						(269)
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							(269)
Net change related to derivatives							(269)
Net current-period other comprehensive income (loss)	1,494	$ 886	$ (2,538)	$ (1,657)	$ (740)	$ (1,293)	(158)
Balance	$ (2,831)						$ (2,831)