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