LEASES Supplemental balance sheet information (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Jan. 01, 2019	Dec. 31, 2018
Operating Leased Assets [Line Items]
Operating Lease, Weighted Average Remaining Lease Term	5 years 3 months 18 days
Operating Lease, Right-of-Use Asset	$ 235,834	$ 240,000	$ 0
Operating Lease, Liability, Current	62,046
Operating Lease, Liability, Noncurrent	179,830		$ 0
Operating Lease, Liability	$ 241,876	$ 245,000
Operating Lease, Weighted Average Discount Rate, Percent	4.60%