XML 36 R24.htm IDEA: XBRL DOCUMENT v3.20.1

Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2020

Fair Value Disclosures [Abstract]

Fair Value Measurements of Cash Equivalents, Available-For-Sale Investment Securities and Equity Securities

The recurring fair value measurements of the Company’s cash equivalents, available-for-sale investment securities and equity securities at March 31, 2020 and December 31, 2019 consisted of the following (in thousands):

						Fair Value Measurements at Reporting Date Using
		March 31, 2020				Quoted Prices in Active Markets for Identical Assets (Level 1)				Significant Other Observable Inputs (Level 2)				Significant Unobservable Inputs (Level 3)
Money market fund		$	139,886			$	139,886			$	—			$	—
U.S. Treasury notes			251,128				251,128				—				—
Equity securities			810				810				—				—
Government sponsored enterprise securities			71,322				—				71,322				—
Corporate debt securities			111,658				—				111,658				—
Commercial paper			55,238				—				55,238				—
		$	630,042			$	391,824			$	238,218			$	—

						Fair Value Measurements at Reporting Date Using
		December 31, 2019				Quoted Prices in Active Markets for Identical Assets (Level 1)				Significant Other Observable Inputs (Level 2)				Significant Unobservable Inputs (Level 3)
Money market fund		$	98,084			$	98,084			$	—			$	—
U.S. Treasury notes			228,603				228,603				—				—
Equity securities			2,307				2,307				—				—
Government sponsored enterprise securities			103,878				—				103,878				—
Corporate debt securities			88,039				—				88,039				—
Commercial paper			102,212				—				102,212				—
		$	623,123			$	328,994			$	294,129			$	—

X

- Definition

Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

+ Details

Name:	us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_FairValueDisclosuresAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration