Pension and Retirement Plans - Schedule of Projected Benefit Obligations and Funded Status (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Change in projected benefit obligation
Obligation at beginning of year	$ 729,000
Obligation at end of year	424,000	$ 729,000
Pension Plan
Change in projected benefit obligation
Obligation at beginning of year	47,875,000	50,117,000
Interest cost	1,309,000	1,211,000
Actuarial (gain) loss	11,754,000	(1,838,000)
Benefits paid	(1,832,000)	(1,615,000)
Obligation at end of year	35,598,000	47,875,000
Change in plan assets
Fair value at beginning of year	60,638,000	55,802,000
Actual return on plan assets	8,457,000	6,451,000
Benefits paid	(1,832,000)	(1,615,000)
Fair value at end of year	50,349,000	60,638,000
Funded (underfunded) status at end of year	14,751,000	12,763,000
Supplemental Retirement Plan
Change in projected benefit obligation
Obligation at beginning of year	10,075,000	10,505,000
Service cost	399,000	400,000
Interest cost	260,000	223,000
Actuarial (gain) loss	(2,057,000)	(451,000)
Benefits paid	(617,000)	(602,000)
Obligation at end of year	8,060,000	10,075,000
Change in plan assets
Employer contribution	617,000	602,000
Benefits paid	(617,000)	(602,000)
Funded (underfunded) status at end of year	$ (8,060,000)	$ (10,075,000)