Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2017

Fair Value Disclosures [Abstract]

Summary of Financial Assets Recognized at Fair Value

As of March 31, 2017 and December 31, 2016, the Company’s financial assets recognized at fair value consisted of the following:

	Fair Value as of March 31, 2017
	Total		Level 1		Level 2		Level 3
	(In thousands)
Cash equivalents	$	255,735	$	255,735	$	—	$	—
Total	$	255,735	$	255,735	$	—	$	—
	Fair Value as of December 31, 2016
	Total		Level 1		Level 2		Level 3
	(In thousands)
Cash equivalents	$	270,448	$	270,448	$	—	$	—
Total	$	270,448	$	270,448	$	—	$	—