Leases - Schedule of Lease Costs (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Lessee, Lease, Description [Line Items]
Operating lease cost				$ 87
Amortization of leased assets	$ 292	$ 292	$ 585	585
Interest on lease liabilities	135	171	296	345
Net lease cost	558	551	1,142	1,124
Cost of sales
Lessee, Lease, Description [Line Items]
Operating lease cost	41	48	80
Selling, general and administrative expenses
Lessee, Lease, Description [Line Items]
Operating lease cost	$ 90	$ 40	$ 181	$ 107