ACCOUNTS RECEIVABLE AND RELATED ALLOWANCE FOR DOUBTFUL ACCOUNTS (Tables)

12 Months Ended

Dec. 31, 2016

Receivables [Abstract]

Schedule of accounts receivable balances and reserve for doubtful amount

	Net Accounts Receivable
	December 31,
	2016		2015
	(amounts in thousands)
Accounts receivable	$	94,309	$	89,291
Allowance for doubtful accounts		(2,137)		(2,134)
Accounts receivable, net of allowance for doubtful accounts	$	92,172	$	87,157

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, 2016	$	2,134	$	1,330	$	(1,327)	$	2,137
December 31, 2015		2,449		1,553		(1,868)		2,134
December 31, 2014		2,413		1,004		(968)		2,449