v3.19.2

SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Jan. 01, 2019 | Dec. 31, 2018
--- | --- | --- | ---
Summary of the categories of property and equipment |  |  |
Property, Plant and Equipment, net of accumulated depreciation | $ 344,951 |  | $ 317,030
Leasing transactions |  |  |
Operating Lease ROU Asset | 284,400 | $ 288,700 | $ 0
Operating lease liability | $ 309,242 | $ 306,200 |

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