v3.20.2
LONG-TERM DEBT - Long Term Debt (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Debt Instrument [Line Items]    
Total debt before deferred financing costs $ 1,675,066 $ 1,731,573
Current amount of long-term debt (5,488) (16,377)
Deferred financing costs (excludes the revolving credit) (15,395) (18,082)
Total long-term debt 1,654,183 1,697,114
Outstanding standby letters of credit 6,834 5,862
Revolver    
Debt Instrument [Line Items]    
Carrying value of debt 77,727 117,000
Term B-2 Loan, due November 17, 2024    
Debt Instrument [Line Items]    
Carrying value of debt 755,378 770,000
Plus unamortized premium 1,752 1,968
Total Credit Facility    
Debt Instrument [Line Items]    
Total debt before deferred financing costs 834,857 888,968
6.500% notes due May 1, 2027    
Debt Instrument [Line Items]    
Carrying value of debt 425,000 425,000
Plus unamortized premium 4,489 5,000
Total debt before deferred financing costs $ 429,489 430,000
Debt instrument, stated percentage 6.50%  
7.25% senior unsecured notes, due November 1, 2024    
Debt Instrument [Line Items]    
Carrying value of debt $ 400,000 400,000
Plus unamortized premium 9,912 11,732
Total debt before deferred financing costs $ 409,912 411,732
Debt instrument, stated percentage 7.25%  
Other debt    
Debt Instrument [Line Items]    
Total debt before deferred financing costs $ 808 $ 873