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Employee Benefit Plans (Components of Net Pension Cost (Income)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Pension Plans And Other Postretirement Benefits [Abstract]
Service cost benefits earned during the period	$ 55	$ 64
Interest cost on projected benefit obligation	312	279
Actual return on assets	(379)	(441)
Net periodic pension cost	$ (12)	$ (98)

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Defined Benefit Plan, Actual Return on Assets

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Amount of cost recognized for passage of time related to defined benefit plan.

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Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.

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