SERP Expense and Contributions paid (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Pension Cost (Reversal of Cost)	$ 487,000	$ 562,000	$ 1,200,000
Supplemental Employee Retirement Plan [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Pension Cost (Reversal of Cost)	703,000	1,681,000	2,275,000
Defined Benefit Plan, Plan Assets, Contributions by Employer	$ 450,000	$ 475,000	$ 475,000