Leases - Schedule of Lease Costs (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Lessee, Lease, Description [Line Items]
Amortization of leased assets	$ 294	$ 274	$ 879	$ 858
Interest on lease liabilities	104	170	400	510
Net lease cost	444	548	1,586	1,666
Cost of sales
Lessee, Lease, Description [Line Items]
Operating lease cost	42	29	122	116
Selling, general and administrative expenses
Lessee, Lease, Description [Line Items]
Operating lease cost	$ 4	$ 75	$ 185	$ 182