Disaggregation of Revenue - Revenue by geographic location (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue
Revenue	$ 3,133,411	$ 3,162,919
United States
Disaggregation of Revenue
Revenue	3,124,967	3,155,617
Canada and Mexico
Disaggregation of Revenue
Revenue	$ 8,444	$ 7,302

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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+ Details