LEASES Operating Lease (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Leases [Abstract]
Operating lease ROU assets	$ 83,064	$ 0
Current portion of operating lease liabilities	25,514	0
Operating lease liabilities, less current portion	55,840	$ 0
Total operating lease liabilities	$ 81,300