RESTRUCTURING CHARGES (Tables)

12 Months Ended

Dec. 31, 2018

Restructuring and Related Activities [Abstract]

Schedule of restructuring costs

The following table summarizes the total expenses recorded related to the 2018 restructuring and one-time termination cost activities by type of activity and the locations recognized within the consolidated statements of operations as restructuring costs (in thousands):

	December 31,
	2018		2017		2016
Employee compensation costs	$	16,852	$	13,247	$	—
Fixed Asset disposals and accelerated depreciation of leasehold improvements	3,511		—		—
Other exit costs	238		—		—
Total restructuring costs	$	20,601	$	13,247	$	—

Schedule of accrued restructuring and severance costs

Selected information relating to accrued restructuring, severance costs and one-time termination costs is as follows (in thousands):

	Employee separation costs			Other exit costs			Total
Net accruals	13,247			—			13,247
Non-cash additions/(reductions)	—			—			—
Cash paid	(3,764		)	—			(3,764		)
Balance at Balance at December 31, 2017	$	9,483		$	—		$	9,483
Net accruals	16,852			3,749			20,601
Non-cash additions/(reductions)	(2,146		)	(3,511		)	(5,657		)
Cash paid	(22,611		)	(238		)	(22,849		)
Balance at Balance at December 31, 2018	$	1,578		$	—		$	1,578