Investments (Tables)

3 Months Ended

Mar. 31, 2020

Investments, Debt and Equity Securities [Abstract]

Schedule of Available-for-sale Securities by Security Type

Cash equivalents, short-term investments and long-term investments as of March 31, 2020 were comprised as follows (in thousands):

	March 31, 2020
	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
Cash equivalents and short-term investments:
Money market funds, included in cash equivalents	$	65,991	$	—	$	—		$	65,991
Corporate debt securities	31,825		5		(72		)	31,758
U.S. Treasuries	40,594		161		—			40,755
Government agency securities	8,420		42		—			8,462
Total cash equivalents and short-term investments	146,830		208		(72		)	146,966
Long-term investments:
Corporate debt securities	1,600		8		—			1,608
Total long-term investments	1,600		8		—			1,608
Total cash equivalents and investments	$	148,430	$	216	$	(72	)	$	148,574

Cash equivalents, short-term investments and long-term investments as of December 31, 2019 were comprised as follows (in thousands):

	December 31, 2019
	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
Cash equivalents and short-term investments:
Money market funds, included in cash equivalents	$	50,242	$	—	$	—		$	50,242
Corporate debt securities	46,695		8		(4		)	46,699
U.S. Treasuries	59,058		26		(2		)	59,082
Government agency securities	12,796		24		—			12,820
Total cash equivalents and short-term investments	168,791		58		(6		)	168,843
Long-term investments:
Corporate debt securities	1,599		2		—			1,601
Total long-term investments	1,599		2		—			1,601
Total cash equivalents and investments	$	170,390	$	60	$	(6	)	$	170,444