Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details

Disaggregation of Revenue - Revenue by geographic location (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Disaggregation of Revenue
Revenue	$ 3,162,919	$ 3,167,782
United States
Disaggregation of Revenue
Revenue	3,155,617	3,157,304	$ 34,689	$ 41,038	$ 43,048
Canada and Mexico
Disaggregation of Revenue
Revenue	$ 7,302	$ 10,478	$ 12,727,629	$ 12,622,893	$ 13,362,139