REVENUES (Schedule of Contract with Customer, Assets and Liabilities) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Contract Liabilities
Beginning balance	$ 0	$ 0
Consideration earned during the period	0	(35,834)
Consideration received during the period	0	35,834
Ending balance	0	0
Contract Asset
Beginning balance	296,496	179,179
Consideration earned during the period	(490,137)	(308,898)
Consideration received during the period	439,651	426,215
Ending balance	$ 246,010	$ 296,496