Leases - Schedule of Operating and Finance Leases Recorded in the Consolidated Balance Sheet (Details) - USD ($) $ in Thousands  | 
Sep. 30, 2020  | 
Dec. 31, 2019  | 
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| Leases [Abstract] | ||
| Right-of-use assets, operating leases | $ 32,090 | $ 35,772 | 
| Property, plant and equipment | 65 | |
| Current portion of lease liabilities, operating leases | 835 | 3,562 | 
| Current portion of lease liabilities, finance leases | 26 | 253 | 
| Non-current portion of lease liabilities, operating leases | 33,000 | 33,723 | 
| Non-current portion of lease liabilities, finance leases | $ 41 | $ 336 | 
| Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] | us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization | 
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- Definition Present value of lessee's discounted obligation for lease payments from finance lease, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Amount, after accumulated amortization, of right-of-use asset from finance lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Indicates line item in statement of financial position that includes finance lease right-of-use asset. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- References No definition available. 
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Amount of lessee's right to use underlying asset under operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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