Pension Plan (Details) - Components of net periodic pension cost - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Pension Plan (Details) - Components of net periodic pension cost [Line Items]
Interest cost	$ 351,000	$ 387,000
Expected return on plan assets	(794,000)	(786,000)
Recognized loss due to settlements	297,000
Amortization of net actuarial loss	327,000	288,000
Net periodic pension cost (benefit)	$ 181,000	$ (111,000)