RESTRUCTURING CHARGES (Tables)

12 Months Ended

Dec. 31, 2019

Restructuring and Related Activities [Abstract]

Schedule of restructuring costs

The following table summarizes the total expenses related to restructuring activities by type (in thousands):

	Year ended December 31,
	2019		2018		2017
Employee compensation costs	$	3,891	$	16,852	$	13,247
Fixed Asset disposals and accelerated depreciation of leasehold improvements	—		3,511		—
Other exit costs	—		238		—
Total restructuring costs	$	3,891	$	20,601	$	13,247

Schedule of accrued restructuring and severance costs

Cash activity related to accrued restructuring 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 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 December 31, 2018	$	1,578		$	—		$	1,578
Net accruals	$	3,891		$	—		$	3,891
Non-cash additions/(reductions)	$	—		$	—		$	—
Cash paid	$	(1,706	)	$	—		$	(1,706	)
Balance at December 31, 2019	$	3,763		$	—		$	3,763