Net Periodic Benefit Cost-Defined Benefit Plans (Details) - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Net periodic benefit cost of the domestic non-contributory defined benefit plan
Interest cost	$ 193,000	$ 198,000
Expected return on plan assets	(365,000)	(326,000)
Amortization of net loss	16,000	37,000
Net periodic benefit	(156,000)	$ (91,000)
Employer contributions made to the defined benefit plan	$ 0