Quarterly report pursuant to Section 13 or 15(d)

Leases (Details)

v3.19.1
Leases (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2019
Dec. 31, 2018
Leases [Abstract]    
Operating lease, minimum years in renewal option 1 year  
Operating lease, maximum years in renewal option 10 years  
Operating leases, minimum term of equipment leases 2 years  
Operating leases, maximum term of equipment leases 6 years  
Costs incurred for independent owner operators $ 73,947  
Operating leases, minimum term of future equiment leases 3 years  
Operating leases, maximum term of future equiment leases 4 years  
Lease, Cost    
Operating Lease, Cost $ 13,861  
Short-term Lease, Cost 2,849  
Variable Lease, Cost 77,547  
Sublease Income (535)  
Lease, Cost 93,722  
Operating Lease, Payments 13,451  
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability $ 146,822  
Operating Lease, Weighted Average Remaining Lease Term 4 years  
Operating Lease, Weighted Average Discount Rate, Percent 4.40%  
Operating Lease Liabilities, Payments Due    
2019 $ 37,526  
2020 40,201  
2021 27,619  
2022 18,036  
2023 12,129  
Thereafter 13,948  
Total minimum lease payments 149,459  
Less: amount of lease payments representing interest (15,720)  
Present value of future minimum lease payments 133,739  
Less: current obligations under leases (43,824) $ 0
Long-term lease obligations $ 89,915 $ 0