Employee Benefit Plans (Schedule of Assumptions used to Determine Net Pension Cost) (Details)		12 Months Ended
		Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Retirement Benefits [Abstract]
Weighted average discount rate		4.30%	3.75%	4.25%
Rate of increase in compensation levels	[1]
Expected long-term rate of return on assets		6.50%	6.50%	6.50%

[1] 6.0% graded down to 3.25% over the first seven years of service.