Pension Plan (Details) - Components of net periodic pension cost - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Pension Plan (Details) - Components of net periodic pension cost [Line Items]
Interest cost	$ 134,000	$ 75,000	$ 402,000	$ 227,000
Expected return on plan assets	(145,000)	(200,000)	(436,000)	(600,000)
Amortization of net actuarial loss	73,000	72,000	221,000	215,000
Net periodic pension expense (benefit)	$ 62,000	$ (53,000)	$ 187,000	$ (158,000)