Employee Benefit Plans (Schedule of Net Funded Status) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Benefit Obligation, Beginning Balance	$ 9,300,000
Defined Benefit Plan, Benefit Obligation, Ending Balance	10,395,000	$ 9,300,000
Defined Benefit Plan, Fair Value of Plan Assets, Beginning Balance	55,971,000
Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance	59,696,000	55,971,000
Pension [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Benefit Obligation, Beginning Balance	57,898,000	50,995,000
Service Cost	154,000	225,000
Interest Cost	1,421,000	1,624,000
Change in discount rate and mortality assumptions	(2,583,000)	5,971,000
Actuarial loss	168,000	1,157,000
Defined Benefit Plan, Benefits Paid	(2,127,000)	(2,074,000)
Defined Benefit Plan, Benefit Obligation, Ending Balance	54,931,000	57,898,000
Defined Benefit Plan, Fair Value of Plan Assets, Beginning Balance	55,971,000	50,829,000
Defined Benefit Plan, Actual Return on Plan Assets	5,852,000	6,216,000
Defined Benefit Plan, Contributions by Employer	0	1,000,000
Defined Benefit Plan, Benefits Paid	(2,127,000)	(2,074,000)
Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance	59,696,000	55,971,000
Defined Benefit Plan, (Unfunded)/Funded Status	4,765,000	(1,927,000)
SERP [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Benefit Obligation, Beginning Balance	9,614,000	8,647,000
Service Cost	168,000	135,000
Interest Cost	238,000	236,000
Change in discount rate and mortality assumptions
Actuarial loss	711,000	862,000
Defined Benefit Plan, Benefits Paid	(336,000)	(266,000)
Defined Benefit Plan, Benefit Obligation, Ending Balance	10,395,000	9,614,000
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	266,000
Defined Benefit Plan, Benefits Paid	(336,000)	(266,000)
Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance
Defined Benefit Plan, (Unfunded)/Funded Status	$ (10,395,000)	$ (9,614,000)