Leases - Balance Sheet Classification of Lease Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Operating Leases
Operating lease right-of-use assets, net	$ 31,107	$ 34,960
Current operating lease liabilities	8,874	7,620
Operating lease liabilities	25,135	29,414
Present value of lease liabilities	34,009	37,034
Finance Leases
Right-of-use assets	1,451	1,135
Accumulated depreciation	(595)	(343)
Right-of-use assets, net	856	792
Current liabilities	316	354
Non-current liabilities	486	398
Total finance lease liabilities	$ 802	$ 752
Weighted Average Remaining Lease Term
Operating leases	4 years 8 months 12 days	5 years
Finance leases	3 years 3 months 18 days	2 years 9 months 18 days
Weighted Average Discount Rate
Operating leases	8.10%	9.10%
Finance leases	5.20%	7.20%
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	us-gaap:OtherAssetsNoncurrent	us-gaap:OtherAssetsNoncurrent
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:AccruedLiabilitiesAndOtherLiabilities	us-gaap:AccruedLiabilitiesAndOtherLiabilities
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesNoncurrent	us-gaap:OtherLiabilitiesNoncurrent