Leases - Narrative (Details) - USD ($) $ in Thousands		12 Months Ended
	Jan. 01, 2019	Dec. 31, 2019	Dec. 31, 2018
Lessee, Lease, Description [Line Items]
Operating lease, discount rate		7.25%
Operating lease, weighted average remaining lease term		2 years 7 months
Restructured lease, weighted average remaining lease term		1 year 6 months
Finance lease, weighted average remaining lease term		2 years 4 months
Restricted cash held		$ 300	$ 300
Operating lease, impairment loss	$ 200
2017 Restructuring Plan | Restructuring Liability
Lessee, Lease, Description [Line Items]
Reclassification upon adoption of Topic 842	$ 300	$ (273)	$ 90