Long-Term Debt - Securities Purchase Agreement and Second Lien Notes - Additional Information (Details) - USD ($)		12 Months Ended
Aug. 02, 2016	Dec. 31, 2016
Debt Instrument [Line Items]
Unrealized gain on warrants		$ 568,000
Common Class A
Debt Instrument [Line Items]
Warrants to purchase common stock		760,000
Warrant liability		$ 5,100,000
Second Lien Notes
Debt Instrument [Line Items]
Debt instrument face amount		38,000,000
Repayment of principal second lien notes		$ 21,000,000
8.750% Senior Notes Due April 15, 2019
Debt Instrument [Line Items]
Debt instrument interest rate		8.75%
Debt instrument repurchase amount		$ 68,200,000
Debt instrument maturity date		Apr. 15, 2019
Cash paid for repurchase of debt instrument		$ 36,200,000
Gain on repurchase of debt instrument		$ 28,500,000
Securities Purchase Agreement \| 12% Senior Secured Second Lien Notes Due 2021
Debt Instrument [Line Items]
Debt instrument interest rate	12.00%
Sale of stock, description of transaction		(i) up to $49,900,000 aggregate principal amount of LRAI’s 12% senior secured second lien notes due 2021 (the “Second Lien Notes”) and (ii) five-year warrants to purchase up to an aggregate 998,000 shares of the Company’s Class A common stock at a price equal to $5.00 per share (the “Warrants”).
Common stock price per share	$ 5.00
Securities Purchase Agreement \| 12% Senior Secured Second Lien Notes Due 2021 \| Maximum
Debt Instrument [Line Items]
Debt instrument face amount	$ 49,900,000
Number of common shares issued	998,000

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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Amount of the total principal payments made during the annual reporting period.

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

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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.

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Fair value amount of debt instrument that was repurchased.

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Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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Amount of gain (loss) from the difference between the repurchase price of a debt instrument initially issued by the entity and the net carrying amount of the debt at the time of its repurchase.

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Amount of cash inflow (outflow) from long-term debt supported by a written promise to pay an obligation.

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Description of stock transaction which may include details of the offering (IPO, private placement), a description of the stock sold, percentage of subsidiary's or equity investee's stock sold, a description of the investors and whether the stock was issued in a business combination.

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The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

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Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

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The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

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