Summary of Significant Accounting Policies - Narrative (Details)	9 Months Ended	12 Months Ended
Sep. 30, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Threshold period past due	90 days
Accounts Payable \| Supplier Concentration Risk \| Supplier A
Disaggregation of Revenue [Line Items]
Concentration risk, percentage	50.00%	23.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
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