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Long-Term Debt - Securities Purchase Agreement and Second Lien Notes - Additional Information (Details) - USD ($)
3 Months Ended 6 Months Ended
Aug. 02, 2016
Jun. 30, 2017
Jun. 30, 2017
Dec. 31, 2016
Debt Instrument [Line Items]        
Unrealized gain on warrants   $ 614,000 $ 2,884,000  
Class A Voting Common Stock        
Debt Instrument [Line Items]        
Warrants to purchase common stock   760,000 760,000  
Warrant liability   $ 5,100,000 $ 5,100,000  
Second Lien Notes        
Debt Instrument [Line Items]        
Debt instrument face amount   38,000,000 38,000,000  
Repayment of principal second lien notes   $ 17,000,000 17,000,000 $ 21,000,000
Early payment premium     1,100,000  
Charge due to early recognition of the warrant discount     $ 2,000,000  
8.750% Senior Notes Due April 15, 2019        
Debt Instrument [Line Items]        
Debt instrument interest rate   8.75% 8.75%  
Debt instrument repurchase amount   $ 68,200,000 $ 68,200,000  
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 voting 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