COMMITMENTS AND CONTINGENCIES (Tables)

12 Months Ended

Dec. 31, 2014

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, 2014 (in thousands)
2015	$	4,382
2016		4,612
2017		4,729
2018		4,846
2019		4,966
Thereafter		5,628
Total minimum lease payments	$	29,163

Non-Cancelable Contractual Obligations

The Company has entered into long-term contractual arrangements from time to time for the provision of goods and services. The following table presents non-cancelable contractual obligations arising from these arrangements:

	As of December 31, 2014 (in thousands)
2015	$	56,232
2016		40,188
2017		23,940
2018		14,260
2019		5,705
Total purchase commitments	$	140,325