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LEASES - Future minimum rental payments at previous year (Details)
$ in Thousands
Dec. 31, 2018
USD ($)
Future minimum rental payments, by year and in the aggregate, under operating leases  
2019 $ 39,378
2020 29,641
2021 21,303
2022 14,479
2023 9,193
Thereafter 10,008
Total 124,002
Future minimum rental payments, by year and in the aggregate, under Capital Lease Obligations  
2019 249
2020 175
2021 109
2022 28
Total $ 561