Leases - Supplemental Balance Sheet (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Leases [Abstract]
Property and equipment	$ 496	$ 572
Accumulated depreciation	$ (348)	$ (229)
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Property and equipment, net	Property and equipment, net
Property and equipment, net	$ 148	$ 343
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	Accruals and other current liabilities	Accruals and other current liabilities
Accruals and other current liabilities	$ 201	$ 197
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other liabilities	Other liabilities
Other liabilities	$ 0	$ 99
Total financing lease liabilities	$ 201	$ 296