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LONG-TERM DEBT (Details)
12 Months Ended
Nov. 18, 2015
USD ($)
Sep. 30, 2015
Apr. 06, 2015
Jun. 27, 2014
USD ($)
May. 31, 2013
USD ($)
May. 20, 2013
USD ($)
Dec. 31, 2015
USD ($)
Oct. 19, 2015
USD ($)
Dec. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
Dec. 10, 2013
USD ($)
May. 14, 2013
USD ($)
Long-term debt                        
Total debt             $ 295,938,000   $ 217,076,000      
Less current portion             0   53,000      
Long-term portion             295,938,000   217,023,000      
Other disclosures                        
Maximum borrowing capacity       $ 350,000,000                
Increase of borrowing capacity       $ 150,000,000                
Partnership                        
Other disclosures                        
Repayment of existing subsidiary debt           $ 87,600,000            
Revolving credit facility                        
Long-term debt                        
Principal             302,063,000   221,864,000      
Deferred financing costs, net             (6,125,000)   (4,841,000)      
Other disclosures                        
Maximum borrowing capacity             350,000,000   350,000,000   $ 200,000,000  
Other notes                        
Long-term debt                        
Other notes             $ 0   53,000      
New Credit Facility                        
Other disclosures                        
Direct financing cost         $ 3,600,000              
Bank fees related to amendments of new credit facility                 $ 2,500,000 $ 100,000    
New Credit Facility | Partnership                        
Other disclosures                        
Maximum borrowing capacity                       $ 150,000,000
Outstanding borrowings         112,700,000              
Amended and Restated Credit Statement on June 27, 2014                        
Other disclosures                        
Maximum borrowing capacity $ 350,000,000                      
Minimum fixed charge coverage ratio       3.00                
Maximum total leverage ratio 3.50 3.50 3.50 3.00                
Weighted-average interest rate (as a percent)             5.08%          
Amended and Restated Credit Statement on June 27, 2014 | Partnership                        
Other disclosures                        
Amount available under the facility             $ 39,100,000          
Letter of Credit                        
Other disclosures                        
Commitment fee (as a percent)             0.375%          
Letter of Credit | Partnership                        
Other disclosures                        
Maximum borrowing capacity       $ 30,000,000                
Limited Waiver | Revolving credit facility                        
Other disclosures                        
Aggregate amount os advances (no more than $25 million)               $ 25,000,000        
Second Amendment | Revolving credit facility                        
Other disclosures                        
Maximum total leverage ratio 4.00                      
Aggregate amount os advances (no more than $25 million) $ 25,000,000                      
Amount of excess availability under the Credit Agreement $ 43,750,000.00                      
Maximum revolving advance amount (in percent) 12.50%                      
Second Amendment | Revolving credit facility | Base commercial lending rate                        
Other disclosures                        
Basis points (as a percent) 3.25%                      
Second Amendment | Revolving credit facility | LIBOR                        
Other disclosures                        
Basis points (as a percent) 4.25%                      
Superior Silica Holdings L L C | Partnership                        
Other disclosures                        
Distribution payment         17,000,000              
Repayment of existing subsidiary debt         73,500,000              
Direct Fuels Partners L P | Partnership                        
Other disclosures                        
Distribution payment         $ 22,200,000