Restatement of Previously Issued Consolidated Financial Statements - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cost of revenue	$ 163,538	$ 195,955	$ 450,761	$ 616,784
Provision for Income Taxes	(959)	496	(11,375)	5,913
Net (Loss) Income	4,178	7,180	(32,913)	23,312
Deferred income taxes	28,109		28,109		$ 14,654
Increase in accounts receivable			13,686	20,454
Prepaid expenses			(2,539)	2,607
Purchases in property, plant and equipment			6,021	18,743
Depreciation expense	$ 3,752	3,444	11,260	9,785
Understatement of cost of revenues and impacted balance sheet accounts
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net (Loss) Income				(3,600)
Property, plant and equipment, net error correction
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cost of revenue				(100)
Net (Loss) Income				100
Restatement Adjustments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cost of revenue		1,760		4,578
Provision for Income Taxes		(420)		(1,063)
Net (Loss) Income		(1,340)		(3,515)
Increase in accounts receivable				689
Prepaid expenses				(4,851)
Purchases in property, plant and equipment				(527)
Restatement Adjustments | Understatement of cost of revenues and impacted balance sheet accounts
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cost of revenue		1,700		4,700
Provision for Income Taxes		(400)
Net (Loss) Income		(1,300)		(3,600)
Deferred income taxes		$ (1,100)		(1,100)
Increase in accounts receivable				(700)
Prepaid expenses				(4,900)
Purchases in property, plant and equipment			$ (500)
Restatement Adjustments | Property, plant and equipment, net error correction
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Provision for Income Taxes				(1,100)
Net (Loss) Income				100
Depreciation expense				$ (100)