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Short-term Investments (Tables)

9 Months Ended

Sep. 30, 2020

Short Term Investments [Abstract]

Summary of Short-term Investments

The following is a summary of our short-term investments (in thousands):

		September 30, 2020
						Gross				Gross
		Amortized				Unrealized				Unrealized				Estimated
		Cost				Gains				Losses				Fair Value
U.S. treasury bills and government agency obligations		$	70,175			$	316			$	—			$	70,491
U.S. corporate debt securities			25,624				110				—				25,734
Foreign corporate debt securities			23,534				114				—				23,648
U.S. commercial paper			14,995				—				—				14,995
Foreign commercial paper			28,137				—				—				28,137
Total		$	162,465			$	540			$	—			$	163,005

		December 31, 2019
						Gross				Gross
		Amortized				Unrealized				Unrealized				Estimated
		Cost				Gains				Losses				Fair Value
U.S. treasury bills and government agency obligations		$	140,567			$	59			$	—			$	140,626
U.S. corporate debt securities			80,159				11				—				80,170
Foreign corporate debt securities			23,188				15				—				23,203
U.S. commercial paper			32,801				—				—				32,801
Foreign commercial paper			42,274				—				—				42,274
Total		$	318,989			$	85			$	—			$	319,074

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- Definition

Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-URI http://asc.fasb.org/topic&trid=2196928

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- References

No definition available.

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