Income Taxes (Details)			3 Months Ended		9 Months Ended
	Jan. 01, 2018	Dec. 31, 2017	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Tax Disclosure [Abstract]
Effective tax rate			5.80%	39.10%	6.50%	32.80%
Statutory federal income tax rate	21.00%	35.00%