Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Summary (Details)

v3.7.0.1
Long-Term Debt - Summary (Details)
 3 Months Ended
Feb. 08, 2017
Feb. 07, 2017
Mar. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Jul. 15, 2016
USD ($)
Dec. 31, 2014
USD ($)
Long-term debt            
Term Loan, net of debt discount     $ 312,896,000 $ 313,588,000    
Less current maturities     (2,829,000) (2,829,000)    
Long-term Debt, Excluding Current Maturities, Total     306,240,000 306,726,000    
Deferred financing costs, net     3,827,000 4,033,000    
Total long-term debt     306,240,000 306,726,000    
Long-term debt, additional disclosure            
Financing costs     932,000      
Inventories - truck chassis floor plan     6,938,000 3,939,000    
Term loan facility            
Long-term debt            
Less current maturities     (2,829,000) (2,829,000)    
Long-term Debt, Excluding Current Maturities, Total     310,067,000 310,759,000    
Long-term debt, additional disclosure            
Unamortized discount on issuance of debt     1,855,000 1,953,000   $ 1,900,000
Revolving credit facility            
Long-term debt, additional disclosure            
Outstanding borrowings     0 0    
Incremental Term Loan Facility            
Long-term debt, additional disclosure            
Unamortized discount on issuance of debt         $ 650,000  
Senior credit facilities            
Long-term debt, additional disclosure            
Floor plan financing arrangements         $ 20,000,000  
Senior credit facilities | Term loan facility            
Long-term debt, additional disclosure            
Financing costs     $ 932,000      
Percentage of net cash proceeds of certain asset sales, certain insurance or condemnation events, requirement for additional principal prepayments     100.00%      
Percentage of excess cash flow paid as additional principal prepayments     50.00%      
Reduced percentage of excess cash flow paid as additional principal prepayments upon achievement of certain leverage ratio thresholds, one     0.00%      
Senior credit facilities | Term loan facility | Maximum            
Long-term debt, additional disclosure            
Additional term loan commitments     $ 80,000,000      
Debt ratio     3.25      
Period before end of the fiscal year, for additional principal prepayments of debt, from excess cash flow     150 days      
Senior credit facilities | Term loan facility | ABR            
Long-term debt, additional disclosure            
Interest rate margin (as a percent) 2.50% 3.25%        
Senior credit facilities | Term loan facility | Euro dollar            
Long-term debt, additional disclosure            
Interest rate margin (as a percent) 3.50% 4.25%        
Senior credit facilities | Term loan facility | First option            
Long-term debt, additional disclosure            
Interest rate margin (as a percent)   0.50%        
Fixed interest rate base (as a percent)   2.50%        
Additional interest margin added to fixed and variable rates (as a percent)   1.00%        
Additional fixed interest rate spread (as a percent)   2.00%        
Senior credit facilities | Term loan facility | Second option            
Long-term debt, additional disclosure            
Fixed interest rate base (as a percent)   3.50%        
Additional fixed interest rate spread (as a percent)   1.00%        
Senior credit facilities | Revolving credit facility            
Long-term debt, additional disclosure            
Borrowings under senior credit facility     $ 100,000,000      
Remaining borrowing availability     $ 57,647,000 $ 89,664,000    
Fixed charge coverage ratio to be maintained if certain minimum availability under the credit facility is not maintained.     1.0      
Senior credit facilities | Revolving credit facility | Maximum            
Long-term debt, additional disclosure            
Annual acquisitions allowed     $ 12,500,000      
Unused portion of permitted capital expenditures     12,500,000      
Facilities consolidation expenditure allowed     $ 15,000,000      
Senior credit facilities | Revolving credit facility | Fixed rate | Maximum            
Long-term debt, additional disclosure            
Fixed interest rate base (as a percent)     2.00%      
Senior credit facilities | Revolving credit facility | First option | Fixed rate | Minimum            
Long-term debt, additional disclosure            
Fixed interest rate base (as a percent)     1.50%      
Senior credit facilities | Revolving credit facility | Second option | Federal funds            
Long-term debt, additional disclosure            
Variable rate basis description     Federal funds      
Interest rate margin (as a percent)     0.50%      
Senior credit facilities | Revolving credit facility | Second option | Fixed rate | Maximum            
Long-term debt, additional disclosure            
Fixed interest rate base (as a percent)     1.00%      
Senior credit facilities | Revolving credit facility | Second option | Fixed rate | Minimum            
Long-term debt, additional disclosure            
Fixed interest rate base (as a percent)     0.50%      
Senior credit facilities | Revolving credit facility | Second option | One month London Interbank Offered Rate            
Long-term debt, additional disclosure            
Variable rate basis description     LIBOR for a one month interest period      
Interest rate margin (as a percent)     1.00%      
Senior credit facilities | Revolving credit facility | Second option | Prime            
Long-term debt, additional disclosure            
Variable rate basis description     Prime Rate      
Letter of Credit            
Long-term debt, additional disclosure            
Maximum borrowing capacity     $ 10,000,000      
Swingline loan            
Long-term debt, additional disclosure            
Maximum borrowing capacity     $ 5,000,000