Fair Value (Tables)

3 Months Ended

Mar. 31, 2019

Fair Value Disclosures [Abstract]

Schedule of Financial Assets Measured at Fair Value

The Company’s financial assets measured at fair value are as follows (in thousands):

	March 31, 2019						December 31, 2018
	Fair Value		Level 1		Level 2		Fair Value		Level 1		Level 2
Assets:
Cash and cash equivalents:
Cash	$	213,069	$	213,069	$	—	$	147,221	$	147,221	$	—
Money market funds		23,431		23,431		—		8,343		8,343		—
Restricted cash		26,350		26,350		—		—		—		—
Short-term investments:
Corporate bonds and commercial paper		22,437		—		22,437		37,151		—		37,151
U.S. government securities		4,964		—		4,964		4,995		—		4,995
Total assets measured and recorded at fair value	$	290,251	$	262,850	$	27,401	$	197,710	$	155,564	$	42,146