BASIS OF PRESENTATION (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Jan. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Right-of-use lease assets	$ 257,034
Lease liabilities	$ 264,738
ASU No. 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Right-of-use lease assets		$ 265,400
Lease liabilities		$ 273,300