OTHER CURRENT ASSETS AND OTHER NON-CURRENT ASSETS (Tables)

9 Months Ended

Sep. 30, 2017

Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]

Summary of Other Current Assets

The following table summarizes the Company’s other current assets for each of the periods indicated:

	As of September 30, 2017		As of December 31, 2016
	(in thousands)
Manufacturing-related deposits and prepaids	$	18,399	$	23,604
Prepaid clinical and preclinical expenses		3,612		1,225
Other prepaids		4,000		1,152
Other		1,022		914
Total other current assets	$	27,033	$	26,895

Summary of Other Non-current Assets

The following table summarizes the Company’s other non-current assets for each of the periods indicated:

	As of September 30, 2017		As of December 31, 2016
	(in thousands)
Prepaid clinical expenses	$	7,056	$	3,725
Manufacturing-related deposits		3,570		—
Other		362		242
Total other non-current assets	$	10,988	$	3,967