OTHER ACCRUED LIABILITIES (Tables)

12 Months Ended

Dec. 31, 2019

Payables and Accruals [Abstract]

Summary of Other Accrued Liabilities

A summary of other accrued liabilities as of December 31, 2019 and 2018 is as follows (in thousands):

	December 31,
	2019		2018
Payroll and other compensation expenses	$	45,934	$	47,988
Insurance accruals	14,289		16,001
Property, sales and other non-income related taxes	8,593		7,271
Lease commitments	—		1,145
Contract liabilities	1,224		1,784
Accrued commission	3,299		2,290
Accrued interest	5,015		5,261
Volume discount	2,077		4,322
Contingent consideration	—		429
Professional fees	563		1,219
Other	5,512		7,598
Total	$	86,506	$	95,308