Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Operating Leases
Operating lease right-of-use assets	$ 2,162	$ 2,320
Current portion of operating lease liabilities	589	636
Long-term operating lease liabilities	8,011	8,348
Total operating lease liabilities	8,600	8,984
Finance Leases
Property and equipment	147	147
Accumulated depreciation	(33)	(26)
Property and equipment, net	114	121
Current portion of finance lease liabilities	55	60
Long-term finance lease liabilities	72	96
Total finance lease liabilities	$ 127	$ 156
Weighted Average Remaining Lease Term
Operating leases (in years)	9 years 3 months 18 days	9 years 10 months 24 days
Finance leases (in years)	3 years 1 month 6 days	3 years 1 month 6 days
Weighted Average Discount Rate
Operating leases (in percentage)	4.50%	8.90%
Finance leases (in percentage)	8.50%	9.00%