ACCOUNTS RECEIVABLE AND RELATED ALLOWANCE FOR DOUBTFUL ACCOUNTS (Tables)

12 Months Ended

Dec. 31, 2017

Receivables [Abstract]

Schedule of accounts receivable balances and reserve for doubtful amount

	Net Accounts Receivable
	December 31,
	2017		2016
	(amounts in thousands)
Accounts receivable	$	346,264	$	94,309
Allowance for doubtful accounts and sales reserve		(4,275)		(2,137)
Accounts receivable, net of allowance for doubtful accounts and sales reserves	$	341,989	$	92,172

Schedule of changes in allowance for doubtful accounts

Changes In Allowance For Doubtful Accounts
			Additions
	Balance At		Charged To		Deductions		Balance At
	Beginning		Costs And		From		End Of
Year Ended	Of Year		Expenses		Reserves		Year
	(amounts in thousands)
December 31, 2017	$	2,137	$	3,715	$	(1,967)	$	3,885
December 31, 2016		2,134		1,330		(1,327)		2,137
December 31, 2015		2,449		1,553		(1,868)		2,134

Schedule of Changes in Allowance for Sales Reserves

Changes in Allowance for Sales Reserves
			Additions
	Balance At		Charged To		Deductions		Balance At
	Beginning		Costs and		From		End Of
Year Ended	Of Year		Expenses		Reserves		Year
	(amounts in thousands)
December 31, 2017	$	-	$	390	$	-	$	390