Fair Value of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2016

Fair Value Disclosures [Abstract]

Financial Assets Carried at Fair Value

The financial assets carried at fair value were determined using the following inputs (in thousands):

	Balance at
	March 31, 2016		(Level 1)		(Level 2)		(Level 3)
Cash equivalents:
Money market funds	$	119,148	$	119,148	$	—	$	—
Other assets:
Certificates of deposit	$	530	$	—	$	530	$	—

	Balance at
	December 31, 2015		(Level 1)		(Level 2)		(Level 3)
Cash equivalents:
Money market funds	$	119,066	$	119,066	$	—	$	—
Other assets:
Certificates of deposit	$	530	$	—	$	530	$	—