Restatement of Previously Issued Financial Statements - Balance Sheets (Additional Information) (Details) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Mar. 31, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Increase (decrease) in inventories			$ (17,222)	$ (1,936)
Increase (decrease) in accounts payable			$ (18,871)	(33,102)
Increase (decrease) in selling, general, and administrative expenses	$ (900)
Restatement Impacts
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Increase (decrease) in inventories				(210)
Increase (decrease) in accounts payable				(9)
Write-off of Assets | Restatement Impacts
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Increase (decrease) in trade receivables		$ (1,300)			$ (2,500)
Increase (decrease) in prepaid expenses and other current assets		(6,700)			(12,400)
Increase (decrease) in other current liabilities		1,400			900
Increase (decrease) in selling, general, and administrative expenses		(300)		1,100
Correction for timing and recognition of customer price concessions | Restatement Impacts
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Increase (decrease) in trade receivables					(1,600)
Increase (decrease) in other current liabilities		200
Reversal of Revenue | Restatement Impacts
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Increase (decrease) in trade receivables					(1,300)
Increase (decrease) in prepaid expenses and other current assets					200
Tax adjustments related to adjustments | Restatement Impacts
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Increase (decrease) in deferred income taxes		300			2,400
Increase (decrease) in other current liabilities		(400)			(1,200)
Increase (decrease) in other noncurrent liabilities		900			3,600
Increase (decrease) to income tax expense				100
Correction of other immaterial errors | Restatement Impacts
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Increase (decrease) in trade receivables		(1,100)
Increase (decrease) in prepaid expenses and other current assets					500
Increase (decrease) in other current liabilities		(1,400)
Increase (decrease) in inventories					200
Increase (decrease) in accounts payable					200
Increase (decrease) in accrued compensation		$ 400			700
Increase (decrease) to capital in excess of par					$ 200
Increase (decrease) in selling, general, and administrative expenses				200
Increase (decrease) in revenue				100
Increase (decrease) to cost of sales				(100)
Increase (decrease) in other expense				$ (100)