Fair Value (Tables)

9 Months Ended

Sep. 30, 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):

	September 30, 2019						December 31, 2018
	Fair Value		Level 1		Level 2		Fair Value		Level 1		Level 2
Assets:
Cash and cash equivalents:
Cash	$	336,053	$	336,053	$	—	$	147,221	$	147,221	$	—
Money market funds		49,946		49,946		—		8,343		8,343		—
Restricted cash		868		868		—		—		—		—
Short-term investments:
Corporate bonds and commercial paper		1,496		—		1,496		37,151		—		37,151
U.S. government securities		—		—		—		4,995		—		4,995
Total assets measured and recorded at fair value	$	388,363	$	386,867	$	1,496	$	197,710	$	155,564	$	42,146