Employee Benefit Plans (Change on Benefit Obligations and Plan Assets (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Change in benefit obligation:
Benefit Obligation, beginning of year	$ 42,065,000	$ 55,934,000
Service Cost	3,119,000	5,181,000	$ 6,020,000
Interest Cost	2,205,000	1,804,000	1,576,000
Actuarial Gain (Loss)	1,358,000	(19,557,000)
Benefits Paid	(1,449,000)	(1,297,000)
Benefit Obligation, end of year	47,298,000	42,065,000	55,934,000
Change in plan assets:
Fair Value of Plan Assets, beginning of year	30,073,000	35,288,000
Actual Return on Plan Assets	5,270,000	(6,363,000)
Employer Contributions	3,100,000	2,445,000
Benefits Paid	(1,449,000)	(1,297,000)
Fair Value of Plan assets, end of year	36,994,000	30,073,000	$ 35,288,000
Funded Status at end of period	(10,304,000)	(11,992,000)
Amounts recognized in the Consolidated Balance Sheets:
Non-current assets	0	0
Current liabilities	0	0
Non-current Liabilities	(10,304,000)	(11,992,000)
Net Liability at end of year	(10,304,000)	(11,992,000)
Amounts recognized in accumulated other comprehensive income:
Prior Service Cost	4,215,000	4,702,000
Net actuarial gain	(12,196,000)	(10,816,000)
Amounts recognized in accumulated other comprehensive income:	$ (7,981,000)	$ (6,114,000)