Accumulated Other Comprehensive Loss (Narrative) (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Equity [Abstract]
Combined Federal and State income tax rate (percent)	23.00%	23.00%	23.00%	23.00%