ACCOUNTS RECEIVABLE AND RELATED ALLOWANCE FOR DOUBTFUL ACCOUNTS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2017	Dec. 31, 2016
Accounts Receivable, Net [Abstract]
Accounts receivable				$ 346,264	$ 94,309
Allowance for doubtful accounts	$ 2,137	$ 2,134	$ (2,449)	3,885	2,137
Allowance for doubtful accounts and sales reserves				(4,275)	(2,137)
Accounts receivable, net of allowance for doubtful accounts				$ 341,989	$ 92,172
Allowance for doubtful accounts
Allowance for doubtful accounts	(2,137)	(2,134)	2,449
Additions Charged to Costs and Expenses	3,715	1,330	1,553
Deduction From Reserves	(1,967)	(1,327)	(1,868)
Allowance for doubtful accounts	(3,885)	(2,137)	$ (2,134)
Allowance for Sales Reserves
Allowance for Sales Reserve	0
Sales Reserve Expense	390
Reduction in Sales Reseve	0
Allowance for Sales Reserve	$ 390	$ 0