XML 33 R19.htm IDEA: XBRL DOCUMENT v3.21.2

Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2021

Summary of Significant Accounting Policies [Abstract]

Summary of Assets and Liabilities Measured at Fair Value on a Recurring Basis

	June 30, 2021												December 31, 2020
(in thousands)	Level 1			Level 2			Level 3			Total			Level 1			Level 2			Level 3			Total
Assets
Cash and cash equivalents:
Cash and money market funds	$	263,433		$	—		$	—		$	263,433		$	43,040		$	—		$	—		$	43,040
Commercial paper		—			193,085			—			193,085			—			32,537			—			32,537
U.S. government & agency securities		—			3,276			—			3,276			—			170			—			170
U.S. Treasury security		—			—			—			—			—			5,864			—			5,864
Total cash and cash equivalents		263,433			196,361			—			459,794			43,040			38,571			—			81,611
Investments:
Commercial paper		—			173,946			—			173,946			—			112,644			—			112,644
Corporate debt securities		—			13,681			—			13,681			—			17,456			—			17,456
U.S. government & agency securities		—			496,952			—			496,952			—			107,103			—			107,103
Total investments		—			684,579			—			684,579			—			237,203			—			237,203
Short-term restricted cash:
Cash		300			—			—			300			836			—			—			836
Long-term restricted cash:
Cash		3,000			—			—			3,000			3,500			—			—			3,500
Total assets measured at fair value	$	266,733		$	880,940		$	—		$	1,147,673		$	47,376		$	275,774		$	—		$	323,150
Liabilities
Continuation Advances	$	—		$	—		$	—		$	—		$	—		$	—		$	—		$	—
Total liabilities measured at fair value	$	—		$	—		$	—		$	—		$	—		$	—		$	—		$	—

Anti-dilutive Shares Excluded from Computation of Diluted Net Income (Loss) per Share

		Six Months Ended June 30,
(in thousands)		2021		2020
Shares issuable upon conversion of convertible senior notes		20,690		—
Options to purchase common stock		12,335		20,485
RSUs with time-based vesting		6,820		5,109
RSUs with performance-based vesting		—		138
ESPP shares		2,336		3,635

X

- References

No definition available.

+ Details

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

X

- Definition

Tabular disclosure of financial instruments measured at fair value, including those classified in shareholders' equity measured on a recurring or nonrecurring basis. Disclosures include, but are not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. Nonrecurring fair value measurements are those that are required or permitted in the statement of financial position in particular circumstances.

+ 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 3
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19279-110258

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2C
-URI http://asc.fasb.org/extlink&oid=117815213&loc=SL7498348-110258

Reference 4: 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

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bb)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

+ Details

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

X

- Definition

Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

+ Details

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