Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2017

Fair Value Disclosures [Abstract]

Schedule of Fair Value Financial Assets Measured on Recurring Basis

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:

	March 31, 2017
	Level 1		Level 2		Level 3		Total
	(in thousands)
Financial Assets
Money market funds	$	123,396	$	—	$	—	$	123,396
Restricted money market funds		188		—		—		188
Total financial assets	$	123,584	$	—	$	—	$	123,584

	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