[Line Items] for Accounting Policies [Table]

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- Definition

Cash equivalents, maximum maturity on short-term investments

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- Definition

Number of Service Centers

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- Definition

Sales Revenue Not Recognized at Shipment, As a Percentage of Total Sales

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- Definition

The date when the equity based award expires as specified in the award agreement, which may be presented in a variety of ways (for example, year, month and year, day, month and year and year and quarter of year)

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Share-based compensation Arrangements by Share-based Payment Award, Performance Measurement Period

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- Definition

Percentage of tax benefit recognized on dividends declared by subsidiaries of joint venture accounted for as an equity investment.

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- Definition

Number of days of the company's average closing stock price used as the exercise price of stock option granted in 2010.

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As of the balance sheet date, the weighted average forfeiture rate used to calculate the aggregate unrecognized cost of equity based awards made to employees and directors under equity based compensation awards that have yet to vest.

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No definition available.

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- Definition

Description of risks that arise due to the volume of business transacted with a particular customer. At a minimum, the description informs financial statement users of the general nature of the risk, but excludes "Information about Major Customers" that may be disclosed elsewhere (for instance, segment disclosures).

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

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- Definition

Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Cost incurred during the reporting period in transporting goods and services to customers. Includes freight-out costs.

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Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile.

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The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.

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Basis of Presentation and Significant Accounting Policies - (Details Textual) (Details) shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016 USD ($) Service_Center	Sep. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2016 USD ($) Service_Center shares	Dec. 31, 2015 USD ($) shares	Dec. 31, 2014 USD ($) shares
Accounting Policies [Line Items]
Undistributed Earnings of Foreign Subsidiaries	$ 0								$ 0
Service centers \| Service_Center	21								21
Joint venture ownership percentage	50.00%								50.00%
Net loss	$ (29,856)	$ (19,986)	$ (21,270)	$ (36,870)	$ (120,569)	$ (27,817)	$ (46,252)	$ (15,127)	$ (107,982)	$ (209,765)	$ (119,388)
maximum maturity of investments to be considered cash equivalent									90 days
Shipping, Handling and Transportation Costs									$ 26,370	$ 26,641	$ 33,598
Percentage tax benefit recognized on dividends declared, joint venture subsidiaries									80.00%
Outstanding common stock equivalents \| shares									0	0	0
Number of customers, annual sales in excess of 3% of total annual sales									0
Weighted average forfeiture rate	47.00%								47.00%
Measurement period for targeted goals under the long-term compensation plan									3 years
Impairment of Intangible Assets, Finite-lived					$ 33,742				$ 0	$ 33,742	$ 0
Net Cash Provided by (Used in) Operating Activities, Continuing Operations									$ (29,048)	$ (32,754)	$ (78,811)
Stock Options
Accounting Policies [Line Items]
Number of trading days preceeding grant date from which closing stock price used to determine exercise price, 2010 grants, alternate valuation method									10 days
Restricted Stock Units (RSUs)
Accounting Policies [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period									3 years
Minimum \| Stock Options
Accounting Policies [Line Items]
Contractual period for options granted									8 years
Minimum \| Customer relationships
Accounting Policies [Line Items]
Intangible assets useful lives									4 years
Minimum \| Trade name
Accounting Policies [Line Items]
Intangible assets useful lives									1 year
Maximum
Accounting Policies [Line Items]
Sales Revenue Not Recognized at Shipment, As a Percentage of Total Sales									2.00%	2.00%	2.00%
Maximum \| Stock Options
Accounting Policies [Line Items]
Contractual period for options granted									10 years
Maximum \| Customer Concentration Risk [Member]
Accounting Policies [Line Items]
Percentage concentration of sales									4.00%
Maximum \| Customer relationships
Accounting Policies [Line Items]
Intangible assets useful lives									12 years
Maximum \| Trade name
Accounting Policies [Line Items]
Intangible assets useful lives									10 years
North America
Accounting Policies [Line Items]
Service centers \| Service_Center	16								16
Europe
Accounting Policies [Line Items]
Service centers \| Service_Center	3								3
Asia
Accounting Policies [Line Items]
Service centers \| Service_Center	2								2
United States \| Geographic Concentration Risk
Accounting Policies [Line Items]
Percentage concentration of sales									63.00%
Executives and Employees \| Minimum \| Stock Options and Restricted Stock
Accounting Policies [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period									1 year
Executives and Employees \| Maximum \| Stock Options and Restricted Stock
Accounting Policies [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period									3 years
Director \| Minimum \| Stock Options and Restricted Stock
Accounting Policies [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period									1 year
Director \| Maximum \| Stock Options and Restricted Stock
Accounting Policies [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period									3 years