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Related Party Activities - Additional Information (Details)
5 Months Ended 12 Months Ended
Jan. 03, 2017
USD ($)
Dec. 22, 2016
USD ($)
shares
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
shares
Jun. 30, 2017
USD ($)
Oct. 26, 2016
Director
Aug. 02, 2016
USD ($)
$ / shares
shares
Related Party Transaction [Line Items]              
Registration rights agreement description     the Company entered into a Registration Rights Agreement with EF Realisation, pursuant to which the Company agreed to register for resale Class A voting common stock indirectly owned by EF Realisation. The Company agreed to file a registration statement providing for the resale of Class A voting common stock held by EF Realisation no later than the earlier of (i) October 26, 2017, and (ii) 30 days after the date the Company first becomes eligible to file a registration statement on Form S-3. The Form S-3 registration statement was filed with the Securities and Exchange Commission on November 7, 2017, and is effective. The Company has also granted EF Realisation certain piggyback and demand registration rights.        
Class A Voting Common Stock              
Related Party Transaction [Line Items]              
Warrants to purchase common stock | shares       760,000      
Second Lien Notes              
Related Party Transaction [Line Items]              
Debt instrument face amount       $ 38,000,000      
Repayment of principal second lien notes       $ 21,000,000 $ 17,000,000    
Securities Purchase Agreement | 12% Senior Secured Second Lien Notes Due 2021              
Related Party Transaction [Line Items]              
Debt instrument interest rate             12.00%
Securities Purchase Agreement | 12% Senior Secured Second Lien Notes Due 2021 | Maximum              
Related Party Transaction [Line Items]              
Debt instrument face amount             $ 49,900,000
Securities Purchase Agreement | 12% Senior Secured Second Lien Notes Due 2021 | Maximum | Class A Voting Common Stock              
Related Party Transaction [Line Items]              
Warrants to purchase common stock | shares             998,000
Leucadia              
Related Party Transaction [Line Items]              
Offering fee recorded as reduction to additional paid-in capital $ 1,000,000            
Leucadia | Class A Voting Common Stock              
Related Party Transaction [Line Items]              
Number of common shares issued | shares   3,478,261          
Common shares issued, Value   $ 20,000,000          
Leucadia | Maximum | Class A Voting Common Stock              
Related Party Transaction [Line Items]              
Minimum ownership percentage required to appoint board of directors     50.00%        
Leucadia | Securities Purchase Agreement | 12% Senior Secured Second Lien Notes Due 2021              
Related Party Transaction [Line Items]              
Debt instrument interest rate             12.00%
Common stock price per share | $ / shares             $ 5.00
Leucadia | Securities Purchase Agreement | 12% Senior Secured Second Lien Notes Due 2021 | Maximum              
Related Party Transaction [Line Items]              
Debt instrument face amount             $ 49,900,000
Warrants to purchase common stock | shares             998,000
Juneau Energy, LLC | Securities Purchase Agreement              
Related Party Transaction [Line Items]              
Warrants to purchase common stock | shares       500,000      
Juneau Energy, LLC | Securities Purchase Agreement | 12% Senior Secured Second Lien Notes Due 2021              
Related Party Transaction [Line Items]              
Sale of stock, description of transaction     (i) up to $49.9 million aggregate principal amount of LRAI’s 12% senior secured second lien notes due 2021 (“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”). During 2016, LRAI issued $25.0 million in aggregate principal amount of Second Lien Notes and the Company issued Warrants to purchase 500,000 shares of its Class A voting common stock to Juneau. In December 2016, LRAI repaid to Juneau $21.0 million principal of the Second Lien Notes with proceeds from the 2016 Common Stock Offering.        
Juneau Energy, LLC | Securities Purchase Agreement | Second Lien Notes              
Related Party Transaction [Line Items]              
Debt instrument face amount       $ 25,000,000      
Repayment of principal second lien notes       21,000,000      
EF Realisation | Class A Voting Common Stock | Board Representation Agreement              
Related Party Transaction [Line Items]              
Minimum ownership percentage on common stock issued and outstanding required for nominating two directors           15.00%  
Minimum ownership percentage on common stock issued and outstanding required for nominating one director           10.00%  
EF Realisation | Maximum | Class A Voting Common Stock              
Related Party Transaction [Line Items]              
Number of directors to be nominated | Director           2  
EF Realisation | Minimum | Class A Voting Common Stock              
Related Party Transaction [Line Items]              
Number of directors to be nominated | Director           1  
Butterfly Flaps, Ltd              
Related Party Transaction [Line Items]              
Cost of consultancy services     $ 25,000        
New Tech Global Ventures, LLC              
Related Party Transaction [Line Items]              
Cost of consultancy services     $ 1,015,000 $ 655,000