Leases - Balance Sheet Information (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Leases [Abstract]
Other assets	$ 2,226	$ 2,453
Other current liabilities	464	434
Other long-term liabilities	1,942	2,199
Total operating lease liabilities	2,406	2,633
Property, plant, and equipment	82	81
Accumulated depreciation	(22)	(12)
Property, plant, and equipment, net	60	69
Other current liabilities	13	12
Other long-term liabilities	50	57
Total finance lease liabilities	$ 63	$ 69
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	us-gaap:OtherAssets
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesCurrent
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesNoncurrent
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	us-gaap:PropertyPlantAndEquipmentNet
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesCurrent
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesNoncurrent