Leases - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Leases [Abstract]
Weighted average remaining lease term	8 years 7 months 6 days		8 years 7 months 6 days		9 years 1 month 6 days
Discount rate	8.40%		8.40%		8.40%
Rent expense- long term lease	$ 200	$ 100	$ 300	$ 200
Rent expense- short term lease	$ 27	$ 100	$ 54	$ 100