Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2017

Fair Value Disclosures [Abstract]

Schedule of Fair Value Financial Assets Measured on Recurring Basis

The Company measures and reports its cash equivalents and restricted cash at fair value. The following table sets forth the fair value of the Company’s financial assets measured on a recurring basis by level within the fair value hierarchy:

	September 30, 2017
	Level 1		Level 2		Level 3		Total
	(in thousands)
Financial Assets
Money market funds	$	107,046	$	—	$	—	$	107,046
Restricted money market funds		188		—		—		188
Total financial assets	$	107,234	$	—	$	—	$	107,234
	December 31, 2016
	Level 1		Level 2		Level 3		Total
	(in thousands)
Financial Assets
Money market funds	$	107,043	$	—	$	—	$	107,043
Restricted money market funds		200		—		—		200
Total financial assets	$	107,243	$	—	$	—	$	107,243