Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Other (Details)

v3.19.1
Long-Term Debt - Other (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Amended Credit Agreement    
Debt covenants    
Maximum Net Leverage Ratio 3.50  
Minimum FCCR 1.25  
Senior Notes 5.625% | Event of Default Scenario | Amended Credit Agreement    
Debt covenants    
Minimum percentage of principal of debt holders to declare debt immediately due and payable 25.00%  
Revolving Facility    
Long-Term Debt    
Revolving Facility $ 250,000 $ 250,000
Less: standby letters of credit (67,278) (59,288)
Availability under Revolving Facility 182,722 $ 190,712
Revolving Facility | Amended Credit Agreement    
Long-Term Debt    
Revolving Facility $ 250,000  
Debt Covenants Term Period One | Amended Credit Agreement    
Debt covenants    
Maximum Net Leverage Ratio 3.75  
Minimum FCCR 1.25  
Debt Covenants Term Period Two | Amended Credit Agreement    
Debt covenants    
Maximum Net Leverage Ratio 3.50  
Minimum FCCR 1.25  
Debt Covenants Term Period Three | Amended Credit Agreement    
Debt covenants    
Maximum Net Leverage Ratio 3.25  
Minimum FCCR 1.25