LEASES - Future Minimum Lease Payments Under Noncancellable Leases (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Lessee, Operating Lease, Liability, Payment, Due [Abstract]
2020	$ 40,977
2021	132,642
2022	111,967
2023	99,453
2024	83,555
Thereafter	312,807
Total undiscounted lease payments	781,401
Less: imputed interest	120,367
Total lease liabilities	$ 661,034