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LEASES (Summary of Future Minimum Payments Under Operating Leases) (Details)
$ in Thousands
Dec. 31, 2018
USD ($)
Leases [Abstract]  
2019 $ 56,480
2020 45,467
2021 33,564
2022 24,509
2023 15,253
Thereafter 35,778
Total minimum lease payments $ 211,051