Employee Benefit Plans (Pension Plan's Weighted-average Asset Allocations) (Details)	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan, Information about Plan Assets [Abstract]
Weighted average asset allocations	100.00%	100.00%
U.S. Equity [Member]
Defined Benefit Plan, Information about Plan Assets [Abstract]
Weighted average asset allocations	36.10%	34.80%
International Equity [Member]
Defined Benefit Plan, Information about Plan Assets [Abstract]
Weighted average asset allocations	15.50%	17.00%
Fixed Income [Member]
Defined Benefit Plan, Information about Plan Assets [Abstract]
Weighted average asset allocations	48.20%	48.00%
Money Market
Defined Benefit Plan, Information about Plan Assets [Abstract]
Weighted average asset allocations	0.20%	0.20%