Pension Plan (Details) - The funded status of the plan - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Pension Plan (Details) - The funded status of the plan [Line Items]
Change in benefit obligation: Projected benefit obligation at beginning of year	$ 14,055,000	$ 15,145,000
Interest cost	372,000	351,000
Actuarial (gain) loss	(3,163,000)	(311,000)
Settlements		(519,000)
Benefits paid	(719,000)	(611,000)
Projected benefit obligation at end of year	10,545,000	14,055,000
Change in plan assets: Fair value of plan assets at beginning of year	10,561,000	10,475,000
Actual return on plan assets	(2,298,000)	911,000
Company contributions	138,000	305,000
Settlements		(519,000)
Benefits paid	(719,000)	(611,000)
Fair value of plan assets at end of year	7,682,000	10,561,000
Funded status (underfunded)	(2,863,000)	(3,494,000)
Net actuarial loss	$ 7,649,000	$ 8,001,000	$ 9,051,000
Components of cost	2.75%	2.41%
Benefit obligations	5.40%	2.75%
Expected return on plan assets	8.00%	8.00%
Rate of compensation increase