Annual report pursuant to Section 13 and 15(d)

Long-Term Debt (Details)

v3.3.1.900
Long-Term Debt (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Long-term debt    
Long-term debt, less current portion $ 184,843 $ 186,471
Less current maturities 1,629 1,629
Long-term debt, additional disclosure    
Write off of unamortized deferred financing costs   701
Loan modification fees expensed   580
Write off of unamortized debt discount   589
Loss on extinguishment of debt   1,870
Term loan facility    
Long-term debt    
Long-term debt, less current portion 184,843 186,471
Less current maturities 1,629 1,629
Total long-term debt 186,472 188,100
Schedule of maturities on long-term debt    
2016 1,629  
2017 1,629  
2018 1,629  
2019 1,629  
2020 1,629  
Thereafter 178,327  
Long-term debt, additional disclosure    
Unamortized discount on issuance of debt 1,629 1,900
Senior credit facilities    
Long-term debt, additional disclosure    
Increase in borrowing ability   $ 65,000
Remaining borrowing availability $ 99,440  
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 | Maximum    
Long-term debt, additional disclosure    
Period before end of the fiscal year, for additional principal prepayments of debt, from excess cash flow 150 days  
Senior credit facilities | First option | Fixed rate | Minimum    
Long-term debt, additional disclosure    
Fixed interest rate base (as a percent)   1.50%
Senior credit facilities | Term loan facility    
Long-term debt, additional disclosure    
Maximum borrowing capacity $ 190,000 $ 125,000
Senior credit facilities | Term loan facility | Maximum    
Long-term debt, additional disclosure    
Additional term loan commitments   $ 80,000
Debt ratio   3.25
Senior credit facilities | Term loan facility | First option | Minimum    
Long-term debt, additional disclosure    
Additional fixed interest rate spread (as a percent)   1.00%
Additional interest margin added to fixed and variable rates (as a percent)   1.00%
Senior credit facilities | Term loan facility | First option | Federal funds    
Long-term debt, additional disclosure    
Interest rate added to variable rate (as a percent)   0.50%
Senior credit facilities | Term loan facility | First option | Fixed rate    
Long-term debt, additional disclosure    
Fixed interest rate base (as a percent)   3.25%
Senior credit facilities | Term loan facility | Second option | Fixed rate    
Long-term debt, additional disclosure    
Additional fixed interest rate spread (as a percent)   1.00%
Fixed interest rate base (as a percent)   4.25%
Revolving credit facility    
Long-term debt    
Total long-term debt 0  
Long-term debt, additional disclosure    
Maximum borrowing capacity 100,000 $ 80,000
Increase in borrowing ability   $ 20,000
Annual acquisitions allowed $ 12,500  
Fixed charge coverage ratio to be maintained if certain minimum availability under the credit facility is not maintained. 1  
Revolving credit facility | Maximum    
Long-term debt, additional disclosure    
Facilities consolidation expenditure allowed $ 15,000  
Revolving credit facility | First option | Fixed rate | Maximum    
Long-term debt, additional disclosure    
Fixed interest rate base (as a percent)   2.00%
Revolving credit facility | First option | Fixed rate | Minimum    
Long-term debt, additional disclosure    
Fixed interest rate base (as a percent)   1.50%
Revolving credit facility | Second option | Federal funds    
Long-term debt, additional disclosure    
Interest rate added to variable rate (as a percent)   0.50%
Revolving credit facility | Second option | Federal funds | Maximum    
Long-term debt, additional disclosure    
Interest rate added to variable rate (as a percent)   1.00%
Revolving credit facility | Second option | Federal funds | Minimum    
Long-term debt, additional disclosure    
Interest rate added to variable rate (as a percent)   0.50%
Revolving credit facility | Second option | One month London Interbank Offered Rate    
Long-term debt, additional disclosure    
Interest rate added to variable rate (as a percent)   1.00%
Letter of Credit    
Long-term debt, additional disclosure    
Maximum borrowing capacity 10,000  
Swingline Loan    
Long-term debt, additional disclosure    
Maximum borrowing capacity $ 5,000  
Prior To Amendment | Senior credit facilities | First option    
Long-term debt, additional disclosure    
Fixed interest rate base (as a percent)   1.75%
Prior To Amendment | Senior credit facilities | Second option    
Long-term debt, additional disclosure    
Interest rate added to variable rate (as a percent)   0.50%
Fixed interest rate base (as a percent)   0.75%
Prior To Amendment | Senior credit facilities | Second option | One month London Interbank Offered Rate    
Long-term debt, additional disclosure    
Interest rate added to variable rate (as a percent)   1.00%
Prior To Amendment | Senior credit facilities | Term loan facility | First option | Minimum    
Long-term debt, additional disclosure    
Additional fixed interest rate spread (as a percent)   1.00%
Prior To Amendment | Senior credit facilities | Term loan facility | First option | Federal funds    
Long-term debt, additional disclosure    
Interest rate added to variable rate (as a percent)   0.50%
Prior To Amendment | Senior credit facilities | Term loan facility | First option | Fixed rate    
Long-term debt, additional disclosure    
Fixed interest rate base (as a percent)   3.25%
Prior To Amendment | Senior credit facilities | Term loan facility | Second option    
Long-term debt, additional disclosure    
Additional fixed interest rate spread (as a percent)   1.50%