Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Cash flow from operating activities
Net loss	$ (14,746)	$ (3,561)	$ (61,555)
Adjustments to reconcile net loss to cash flow from operating activities
Depreciation, amortization and accretion	19,651	19,024	25,783
Impairment of land			6,406
Impairment of intangible assets			17,175
Amortization of debt related costs	2,431	2,708	2,600
Write-off of deferred offering and financing costs	236	2,392	598
Provision for bad debt	773	303	63
Provision for excess and obsolete inventory	1,359	1,593	4,854
Stock-based compensation	2,002	1,031	578
Loss on extinguishment of debt	15,528
Other	1,894	(215)	(237)
Long-term income tax receivable	230	2,719	(566)
Long-term income tax payable and other long-term liabilities	638	(2,560)	187
Increase (decrease) in cash from operating assets and liabilities
Accounts receivable, net	(14)	(3,563)	2,627
Inventory	(2,609)	1,500	(4,741)
Other current assets	(132)	(865)	1,026
Accounts payable	(1,680)	(4,047)	(1,147)
Income taxes	187	68	410
Accrued expenses and other liabilities	(3,986)	(4,937)	(9,633)
Cash provided by (used in) operating activities	21,762	11,590	(15,572)
Cash flows from investing activities
Capital expenditures	(13,151)	(8,137)	(5,010)
Proceeds from sale of property, plant and equipment		227	1,527
Redemption of certificate of deposit-restricted		228
Cash used in investing activities	(13,151)	(7,682)	(3,483)
Cash flows from financing activities
Proceeds from issuance of common stock in initial public offering	73,539
Payments for initial public offering costs	(6,362)
Proceeds from issuance of long-term debt	360,438
Payments on long-term debt	(1,900)	(71)	(1,310)
Payments on senior notes	(400,000)
Payment for call premium on senior notes	(9,752)
Payments for offering costs	(563)	(2,064)
Deferred financing costs	(6,304)	(175)	(1,249)
Proceeds from line of credit		5,500	8,000
Payments on line of credit	(8,000)	(5,500)
Proceeds from issuance of common stock, other		13	400
Payments for common stock repurchase			(106)
Payments for tax withholding related to net share settlement of equity awards	(97)
Payments of dividend			(123)
Cash provided by (used in) financing activities	999	(2,297)	5,612
Effect of foreign exchange rate on cash	(753)	(450)	(1,300)
Increase (decrease) in cash and cash equivalents	8,857	1,161	(14,743)
Cash and cash equivalents, beginning of year	19,739	18,578	33,321
Cash and cash equivalents, end of year	28,596	19,739	18,578
Supplemental disclosure of cash flow information
Interest paid	40,788	39,214	39,150
Income taxes paid, net	174	508	118
Noncash investing and financing activities
Property, plant and equipment included in accounts payable and accrued expenses and other liabilities	$ 1,125	2,916	$ 1,243
Deferred offering cost included in accounts payable and accrued expenses and other liabilities		$ 132