Employee Benefit Plans (Schedule of Weighted Average Assumptions Used to Calculate Net Periodic Benefit Cost and the Actuarial Present Value of Projected Benefit Obligations) (Details)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Weighted average assumptions - Net Periodic Benefit Cost:
Discount rate	0.80%	0.80%
Long term rate of return on assets	2.50%	2.50%
Rate of compensation increase	1.30%	1.30%
Weighted average assumptions - Projected Benefit Obligation:
Discount Rate	0.10%	0.80%
Rate of compensation increase	0.80%	1.30%