Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Significant Accounting Policies [Line Items]
Reclassification of net periodic benefit costs	$ 48	$ 371	$ 392
Accumulated deficit	79,092	127,740
Deferred tax assets, net	9,358	7,400
ASU 2017-07
Significant Accounting Policies [Line Items]
Reclassification of net periodic benefit costs		$ 400	$ 400
ASU 2016-16
Significant Accounting Policies [Line Items]
Reclassification of prepaid income taxes and income taxes receivable	2,500
Accumulated deficit	2,200
Deferred tax assets, net	$ 300
Maximum
Significant Accounting Policies [Line Items]
Cash equivalents original maturity period	3 months
Maximum | ASU 2016-02
Significant Accounting Policies [Line Items]
Increase in assets and liabilities due to adoption of new accounting standard	$ 37,000
Maximum | Buildings and improvements
Significant Accounting Policies [Line Items]
Property, plant and equipment, estimated useful lives	30 years
Maximum | Machinery and Equipment
Significant Accounting Policies [Line Items]
Property, plant and equipment, estimated useful lives	10 years
Minimum | ASU 2016-02
Significant Accounting Policies [Line Items]
Increase in assets and liabilities due to adoption of new accounting standard	$ 32,000
Minimum | Buildings and improvements
Significant Accounting Policies [Line Items]
Property, plant and equipment, estimated useful lives	3 years
Minimum | Machinery and Equipment
Significant Accounting Policies [Line Items]
Property, plant and equipment, estimated useful lives	3 years