Employee Benefit Plans (Schedule of Net Funded Status) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Benefit Obligation, Beginning Balance	$ 10,395,000
Defined Benefit Plan, Benefit Obligation, Ending Balance	7,194,000	$ 10,395,000
Defined Benefit Plan, Fair Value of Plan Assets, Beginning Balance	59,696,000
Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance	48,185,000	59,696,000
Pension [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Benefit Obligation, Beginning Balance	54,931,000	57,898,000
Service Cost	57,000	154,000
Interest Cost	1,535,000	1,421,000
Change in discount rate and mortality assumptions	(11,930,000)	(2,583,000)
Actuarial loss	(736,000)	168,000
Defined Benefit Plan, Benefits Paid	(3,673,000)	(2,127,000)
Defined Benefit Plan, Benefit Obligation, Ending Balance	40,184,000	54,931,000
Defined Benefit Plan, Fair Value of Plan Assets, Beginning Balance	59,696,000	55,971,000
Defined Benefit Plan, Actual Return on Plan Assets	(7,838,000)	5,852,000
Defined Benefit Plan, Contributions by Employer	0	0
Defined Benefit Plan, Benefits Paid	(3,673,000)	(2,127,000)
Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance	48,185,000	59,696,000
Defined Benefit Plan, (Unfunded)/Funded Status	8,001,000	4,765,000
SERP [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Benefit Obligation, Beginning Balance	10,395,000	9,614,000
Service Cost	165,000	168,000
Interest Cost	286,000	238,000
Change in discount rate and mortality assumptions
Actuarial loss	(3,316,000)	711,000
Defined Benefit Plan, Benefits Paid	(336,000)	(336,000)
Defined Benefit Plan, Benefit Obligation, Ending Balance	7,194,000	10,395,000
Defined Benefit Plan, Fair Value of Plan Assets, Beginning Balance
Defined Benefit Plan, Actual Return on Plan Assets
Defined Benefit Plan, Contributions by Employer	336,000	336,000
Defined Benefit Plan, Benefits Paid	(336,000)	(336,000)
Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance
Defined Benefit Plan, (Unfunded)/Funded Status	$ (7,194,000)	$ (10,395,000)