XML 39 R38.htm IDEA: XBRL DOCUMENT v3.19.3
Long-Term Debt - Working Capital Revolver Loan and Senior Secured Notes - Additional Information (Detail) - USD ($)
3 Months Ended 9 Months Ended
Jun. 21, 2019
May 28, 2019
Apr. 25, 2018
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Mar. 31, 2019
Feb. 28, 2019
Dec. 31, 2018
Debt Instrument [Line Items]                    
Debt issuance costs     $ 15,200,000              
Interest expense, net     900,000 $ 12,007,000 $ 11,009,000 $ 34,309,000 $ 32,008,000      
Loss on extinguishment of debt             $ (5,951,000)      
Working Capital Revolver Loan [Member]                    
Debt Instrument [Line Items]                    
Maximum amount of revolving credit facility                 $ 75,000,000  
Amount available for borrowing       $ 33,800,000   $ 33,800,000        
Maturity date           Feb. 26, 2024        
Springing Financials Covenant [Member] | Working Capital Revolver Loan [Member]                    
Debt Instrument [Line Items]                    
Working capital revolver loan requirements           Borrowers must maintain a minimum fixed charge coverage ratio of not less than 1.00 to 1.00.        
Maximum revolver commitment available, percentage           10.00%        
Loan requirements description           Less than 10.0% of the total revolver commitments.        
Fixed charge coverage ratio       100.00%   100.00%        
9.625% Senior Secured Notes due 2023 [Member]                    
Debt Instrument [Line Items]                    
Maturity date           May 01, 2023        
Debt issued - principal amount $ 35,000,000   $ 400,000,000              
Debt instrument, interest rate 9.625%   9.625% 9.625%   9.625%        
Debt instrument, maturity term 2023   2023              
Debt instrument issued price percentage 102.125%   99.509%              
Debt instrument, frequency of interest payment           Interest is to be paid semiannually in arrears on May 1st and November 1st        
Senior Secured Notes Due 2019 [Member]                    
Debt Instrument [Line Items]                    
Debt issued - principal amount     $ 375,000,000              
Debt instrument, maturity term     2019              
Loss on extinguishment of debt     $ 6,000,000              
5.25% Secured Promissory Note Due 2021 [Member]                    
Debt Instrument [Line Items]                    
Maturity date           Mar. 31, 2021        
Secured promissory note, payment term           Principal and interest are payable in monthly installments.        
Long-term debt, effective Interest Rate       5.25%   5.25%       5.25%
6.35% Secured Promissory Note Due 2023 [Member]                    
Debt Instrument [Line Items]                    
Debt instrument, frequency of interest payment           monthly        
Final balloon payment       $ 6,100,000   $ 6,100,000        
Maturity month and year           2023-05        
Long-term debt, effective Interest Rate       6.35%   6.35%       6.35%
8.32% Secured Financing Due 2023 [Member]                    
Debt Instrument [Line Items]                    
Long-term debt, effective Interest Rate       8.32%   8.32%       8.32%
8.32% Secured Financing Due 2023 [Member] | EL Dorado Chemical Company [Member]                    
Debt Instrument [Line Items]                    
Maturity date   Jun. 01, 2023                
Debt issued - principal amount   $ 15,000,000                
Debt instrument, frequency of interest payment           Beginning in June 2019, principal and interest are payable in 48 equal monthly installments with a final balloon payment of approximately $3 million due on June 1, 2023.        
Final balloon payment   $ 3,000,000                
Long-term debt, effective Interest Rate   8.32%                
Secured Loan Agreement [Member] | EL Dorado Chemical Company [Member]                    
Debt Instrument [Line Items]                    
Debt issued - principal amount               $ 1,800,000    
Debt instrument, frequency of interest payment           Principal and interest will be payable in 60 equal monthly installments under the term loan.        
Secured Loan Agreement [Member] | EL Dorado Chemical Company [Member] | Maximum [Member]                    
Debt Instrument [Line Items]                    
Amount available for borrowing               $ 7,500,000    
Letter of Credit [Member] | Working Capital Revolver Loan [Member]                    
Debt Instrument [Line Items]                    
Maximum amount of revolving credit facility                 $ 10,000,000