12.5% Senior Secured Notes due 2017 - Summary of Outstanding Notes Balance (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2018
Debt Instrument [Line Items]
12.5% Senior Notes due 2017, net, as of June 30, 2018		$ 260,274
12.5% Senior Notes due 2017, net, as of September 30, 2018	$ 249,864	249,864
12.5% Senior Secured Notes due 2017
Debt Instrument [Line Items]
12.5% Senior Notes due 2017, net, as of June 30, 2018	260,274
12.5% Senior Notes due 2017, net, as of September 30, 2018	249,864	$ 249,864
12.5% Senior Secured Notes due 2017 \| Redemption of Notes August 23, 2018
Debt Instrument [Line Items]
Redemption of Notes	$ (10,410)

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.

No definition available.

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- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585

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Carrying value as of the balance sheet date of the portion of long-term notes having the highest claim on the assets of the issuer in case of bankruptcy or liquidation, due within one year or the normal operating cycle, if longer. Senior note holders are paid off in full before any payments are made to debt holders having a lesser priority of repayment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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