Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Leases [Abstract]
Right of use asset	$ 2,911	$ 3,397
Short term lease liability	1,220	1,168
Long term lease liability	$ 2,295	$ 2,919
Weighted-average remaining lease term (years)	2 years 7 months 6 days	3 years 1 month 6 days
Weighted-average discount rate	11.50%	11.50%