COMMITMENTS AND CONTINGENCIES (Tables)

12 Months Ended

Dec. 31, 2015

Commitments And Contingencies Disclosure [Abstract]

Summary of Aggregate Non-Cancelable Future Minimum Payments under Company's Leases

The following table summarizes the aggregate non-cancelable future minimum payments under the Company’s leases: 

	As of December 31, 2015 (in thousands)
2016	$	4,616
2017		4,733
2018		4,851
2019		4,971
2020		5,093
Thereafter		540
Total minimum lease payments	$	24,804

Non-Cancelable Contractual Obligations

The following table presents non-cancelable contractual obligations arising from these arrangements:

	As of December 31, 2015 (in thousands)
2016	$	60,442
2017		29,664
2018		28,521
2019		11,408
Total purchase commitments	$	130,035