Summary of Significant Accounting Policies - Schedule of Correction and Reclassifications (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net sales	$ 80,262	$ 88,567	$ 289,216	$ 347,670
Cost of sales	116,641	100,365	329,630	326,053
Gross profit	(36,379)	(11,798)	(40,414)	21,617
Selling, general and administrative expense	$ 9,962	11,602	$ 31,730	37,348
As Previously Reported [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net sales		157,685		534,202
Cost of sales		144,406		443,682
Gross profit		13,279		90,520
Selling, general and administrative expense		29,382		89,598
Provision for losses on accounts receivable		(161)		352
Adjustments / Reclassifications [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net sales		5,932		20,558
Cost of sales		8,031		26,440
Gross profit		(2,099)		(5,882)
Selling, general and administrative expense		(2,345)		(5,612)
Provision for losses on accounts receivable		246		(270)
Adjustments / Reclassifications 2 [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net sales		(75,050)		(207,090)
Cost of sales		(52,072)		(144,069)
Gross profit		(22,978)		(63,021)
Selling, general and administrative expense		(15,435)		(46,638)
Provision for losses on accounts receivable		$ (85)		$ (82)

The aggregate cost of goods produced and sold and services rendered during the reporting period.

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.5)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.4)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 330
-SubTopic 10
-Section 30
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=68048583&loc=d3e3636-108311

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