Leases - Assets and Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Cash paid for amounts included in lease liabilities
Operating cash flows from operating leases	$ 185	$ 168	$ 556	$ 333
ROU assets obtained in exchange for lease obligations
Operating leases	0	3,639	17	3,639
Lease Cost
Operating leases	277	213	790	378
Short-term leases	$ 17	$ 103	$ 45	$ 697
Weighted average remaining lease term (years)	4 years 8 months 12 days		4 years 8 months 12 days
Weighted average discount rate (%)	7.00%		7.00%