Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Operating Leases
Operating lease right-of-use assets	$ 2,422	$ 16,388
Current portion of operating lease liabilities	654	486
Long-term operating lease liabilities	8,497	16,973
Total operating lease liabilities	9,151	17,459
Finance Leases
Property and equipment	147	293
Accumulated depreciation	(18)	(28)
Property and equipment, net	$ 129	$ 265
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
Current portion of finance lease liabilities	$ 57	$ 55
Long-term finance lease liabilities	127	158
Total finance lease liabilities	$ 184	$ 213
Weighted Average Remaining Lease Term
Operating leases (in years)	10 years 1 month 6 days	16 years 7 months 6 days
Finance leases (in years)	4 years 1 month 6 days	4 years 7 months 6 days
Weighted Average Discount Rate
Operating leases (in percentage)	8.90%	8.90%
Finance leases (in percentage)	8.50%	9.00%