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Accounts Receivable - Concentration of Credit Risk (Details) - Accounts receivable, net - Credit Concentration Risk	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
29 days or less past due
Concentration Risk [Line Items]
Percentage of outstanding receivables	97.00%	96.00%
59 days or less past due
Concentration Risk [Line Items]
Percentage of outstanding receivables	98.00%	97.00%

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

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+ References

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