| Leases - Remaining Average Weighted Average Lease Term and Discount Rates (Details) | Dec. 31, 2020 | Dec. 31, 2019 | 
|---|---|---|
| Weighted average remaining lease term (in years) | ||
| Operating leases | 5 years 2 months 4 days | 5 years 6 months 3 days | 
| Finance leases | 2 years 5 months 12 days | 2 years 7 months 24 days | 
| Weighted Average discount rate: | ||
| Operating leases | 5.55% | 5.66% | 
| Finance leases | 4.67% | 4.67% | 
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- Definition Weighted Average Discount Rate [Abstract] No definition available. 
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- Definition Weighted Average Remaining Lease Term [Abstract] No definition available. 
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- Definition Weighted average discount rate for finance lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Weighted average discount rate for operating lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition 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. Reference 1: http://www.xbrl.org/2003/role/exampleRef 
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