XML 73 R47.htm IDEA: XBRL DOCUMENT v3.25.0.1

Cash and Cash Equivalents, Restricted Cash and Marketable Securities - Summary of Cash, Cash Equivalents and Marketable Securities (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Cash Cash Equivalents And Marketable Securities [Line Items]
Amortized Cost	$ 617,350	$ 591,177
Unrealized Gains	1,364	1,179
Unrealized Losses	(763)	(333)
Estimated Fair Value	617,951	592,023
Total cash and cash equivalents, and marketable securities, amortized cost	713,233	741,455
Total cash and cash equivalents, and marketable securities, unrealized gain	1,364	1,180
Total cash and cash equivalents, and marketable securities, unrealized loss	(763)	(333)
Total cash and cash equivalents, and marketable securities, estimated fair value	713,834	742,302
Corporate debt securities
Cash Cash Equivalents And Marketable Securities [Line Items]
Amortized Cost	259,004	300,803
Unrealized Gains	418	315
Unrealized Losses	(221)	(20)
Estimated Fair Value	259,201	301,098
U.S. treasuries
Cash Cash Equivalents And Marketable Securities [Line Items]
Amortized Cost	199,741	74,109
Unrealized Gains	460	172
Unrealized Losses	(322)	(44)
Estimated Fair Value	199,879	74,237
U.S. government agency securities
Cash Cash Equivalents And Marketable Securities [Line Items]
Amortized Cost	158,605	216,265
Unrealized Gains	486	692
Unrealized Losses	(220)	(269)
Estimated Fair Value	158,871	216,688
Cash and cash equivalents:
Cash Cash Equivalents And Marketable Securities [Line Items]
Amortized Cost	95,883	150,278
Unrealized Gains	0	1
Unrealized Losses	0	0
Estimated Fair Value	95,883	150,279
Cash and cash equivalents: | Cash
Cash Cash Equivalents And Marketable Securities [Line Items]
Amortized Cost	12,157	11,190
Unrealized Gains	0	0
Unrealized Losses	0	0
Estimated Fair Value	12,157	11,190
Cash and cash equivalents: | Money market funds
Cash Cash Equivalents And Marketable Securities [Line Items]
Amortized Cost	83,726	131,635
Unrealized Gains	0	0
Unrealized Losses	0	0
Estimated Fair Value	$ 83,726	131,635
Cash and cash equivalents: | Corporate debt securities
Cash Cash Equivalents And Marketable Securities [Line Items]
Amortized Cost		7,453
Unrealized Gains		1
Unrealized Losses		0
Estimated Fair Value		$ 7,454

X

- Definition

Cash, cash equivalents and marketable securities

+ References

No definition available.

+ Details

Name:	dvax_CashCashEquivalentsAndMarketableSecuritiesLineItems
Namespace Prefix:	dvax_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Debt Securities, Cash and Cash Equivalents and Available-for-Sale, Amortized Cost

+ References

No definition available.

+ Details

Name:	dvax_DebtSecuritiesCashAndCashEquivalentsAndAvailableForSaleAmortizedCost
Namespace Prefix:	dvax_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Debt Securities, Cash And Cash Equivalents And Available-For-Sale, Fair Value

+ References

No definition available.

+ Details

Name:	dvax_DebtSecuritiesCashAndCashEquivalentsAndAvailableForSaleFairValue
Namespace Prefix:	dvax_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Debt Securities, Cash And Cash Equivalents And Available-For-Sale, Unrealized Gain

+ References

No definition available.

+ Details

Name:	dvax_DebtSecuritiesCashAndCashEquivalentsAndAvailableForSaleUnrealizedGain
Namespace Prefix:	dvax_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Debt Securities, Cash And Cash Equivalents And Available-For-Sale, Unrealized Loss

+ References

No definition available.

+ Details

Name:	dvax_DebtSecuritiesCashAndCashEquivalentsAndAvailableForSaleUnrealizedLoss
Namespace Prefix:	dvax_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amortized cost 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/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479130/326-30-45-1

+ Details

Name:	us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of unrealized gain on 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
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

+ Details

Name:	us-gaap_AvailableForSaleDebtSecuritiesGrossUnrealizedGain
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Amount of unrealized loss on 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
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

+ Details

Name:	us-gaap_AvailableForSaleDebtSecuritiesGrossUnrealizedLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount 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/2003/role/exampleRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 103
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482078/820-10-55-103

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 100
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482078/820-10-55-100

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (aa)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481830/320-10-45-1

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(6))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479130/326-30-45-1

+ Details

Name:	us-gaap_AvailableForSaleSecuritiesDebtSecurities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_USTreasurySecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_USGovernmentAgenciesDebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByAssetClassAxis=us-gaap_CashAndCashEquivalentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_CashMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_MoneyMarketFundsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: