PROVISION FOR INCOME TAXES - Components of Provision for Income Tax (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Current:
United States – federal		$ 1,817	$ (239)	$ 284
United States – state and local		(276)	397	(415)
Other than in the United States		3,339	8,215	4,504
Total current		4,880	8,373	4,373
Deferred:
United States – Federal		84,203	57,475	7,287
United States – state and local		10,020	2,903	6,353
Other than in the United States		3,121	(5,042)	(15,307)
Total deferred (benefit) provision		97,344	55,336	(1,667)
Provision for income taxes	$ 94,300	$ 102,224	$ 63,709	$ 2,706