Leases - Additional Lease Information (Details)	Sep. 30, 2021	Dec. 31, 2020
Weighted-average remaining lease term
Operating leases (in years)	16 years	16 years
Finance leases (in years)	2 years	2 years
Weighted-average discount rate
Operating leases (as a percent)	7.10%	7.00%
Finance leases (as a percent)	4.50%	5.40%

Weighted-Average Discount Rate [Abstract]

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- Definition

Weighted-Average Remaining Lease Terms [Abstract]

+ References

No definition available.

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- Definition

Weighted average discount rate for finance lease calculated at point in time.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
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-URI http://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971

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