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Long-Term Debt - Schedule of Debt (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Debt Instrument [Line Items]    
Total long term debt $ 859,274 $ 863,032
Less: current maturities (30,642) (30,839)
Long-term debt, less current maturities 828,632 832,193
Senior Notes | 5.75% Senior Notes Due 2028    
Debt Instrument [Line Items]    
Total long term debt 296,665 296,367
Unamortized debt issuance costs 3,335 3,633
Medium-term Notes | Term Loan Agreement    
Debt Instrument [Line Items]    
Total long term debt 491,249 493,265
Unamortized debt issuance costs 6,251 6,735
Notes Payable    
Debt Instrument [Line Items]    
Total long term debt $ 2,173 $ 4,172
Notes Payable | Minimum    
Debt Instrument [Line Items]    
Notes payable interest rate (as a percent) 2.00% 2.00%
Notes Payable | Maximum    
Debt Instrument [Line Items]    
Notes payable interest rate (as a percent) 5.00% 5.00%
Notes Payable | Vehicle and Equipment    
Debt Instrument [Line Items]    
Total long term debt $ 69,187 $ 69,228
Notes Payable | Vehicle and Equipment | Minimum    
Debt Instrument [Line Items]    
Notes payable interest rate (as a percent) 1.90% 1.90%
Notes Payable | Vehicle and Equipment | Maximum    
Debt Instrument [Line Items]    
Notes payable interest rate (as a percent) 4.90% 4.90%