Fair Value of Financial Instruments - Fair Value Assumptions (Details) - $ / shares	12 Months Ended
Dec. 31, 2016	May 03, 2013
Assumptions used to calculate fair value of interest make-whole liability using Monte-Carlo simulation with a Black-Scholes lattice model
Volatility (as a percent)	45.00%
Stock Price (in dollars per share)	$ 25.25
Credit Spread (as a percent)	9.00%
Term	4 months
Dividend Yield (as a percent)	0.00%
7.50% Convertible Senior Secured Notes due 2019
Assumptions used to calculate fair value of interest make-whole liability using Monte-Carlo simulation with a Black-Scholes lattice model
Interest rate (as a percent)	7.50%	7.50%

Represents the credit spread assumption used in valuing an instrument.

No definition available.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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- Definition

Expected dividends to be paid to holders of the underlying shares or financial instruments (expressed as a percentage of the share or instrument's price).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

+ Details

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- Definition

Period the instrument, asset or liability is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

+ Details

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- Definition

Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price.

+ References

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

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