Leases - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Lease expense	$ 1,977	$ 2,030
Weighted-average remaining lease term, operating leases	6 years 7 months 2 days		6 years 8 months 15 days
Weighted-average remaining lease term, financing leases	4 years 4 months 2 days		4 years 6 months 15 days
Weighted-average discount rate for operating leases	7.20%	7.20%
Weighted-average discount rate for financing leases			6.80%
Cost of Sales
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Lease expense	$ 1,800	$ 1,800
Research, Development And Engineering Expense
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Lease expense	100	100
Selling, General and Administrative Expenses
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Lease expense	100	100
Interest Expense
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Lease expense	$ 100	$ 100