COMMITMENTS AND CONTINGENCIES (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Summary of Future Purchase Obligations and Minimum Rental Commitments for Leasehold Properties and Operating Leases with Non-Cancelable Terms

As of December 31, 2017, future purchase obligations and minimum rental commitments for leasehold properties and operating leases with non-cancelable terms are as follows:

	Minimum rental commitments for leasehold properties		Commitments for other lease obligations		Other purchase obligations		Total
2018	$	1,226	$	3,168	$	2,237	$	6,631
2019		436		1,323		—		1,759
2020		372		—		—		372
2021		40		—		—		40
	$	2,074	$	4,491	$	2,237	$	8,802