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Business Overview and Summary of Significant Accounting Policies - Additional Information (Details) |  | 12 Months Ended
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May 22, 2019 $ / shares shares | Dec. 31, 2020 USD ($) location $ / shares shares | Dec. 31, 2019 USD ($) $ / shares shares | Dec. 31, 2018 USD ($)
Accounting Policies [Abstract] |  |  |  |
Approximate number of in-market locations | location |  | 3,200 |  |
Impairment of property and equipment long-lived assets | $ |  | $ 0 | $ 0 | $ 0
Non-cancelable lease term, pick-up truck, (less than) |  | 1 year |  |
Two-for-one stock split | 2 |  |  |
Par value (in dollars per share) | $ / shares | $ 0.01 | $ 0.01 | $ 0.01 |
Issued, additional (in shares) | shares | 1 | 574,159,575 | 574,128,911 |

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