XML 52 R41.htm IDEA: XBRL DOCUMENT
v3.25.2

Commitments and Contingencies - Summary of Operating Lease Expense (Detail) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) | Jun. 30, 2024 USD ($)
Commitments and Contingencies Disclosure [Abstract] |  |  |  |
Operating lease expense | $ 1,436 | $ 1,496 | $ 2,863 | $ 2,912
Cash paid for lease liabilities | 1,803 | 1,904 | 3,660 | 3,778
Sublease income | $ 2,226 | $ 2,205 | $ 4,452 | $ 603
Percentage of excess rent paid |  |  | 0.50 |

X
- Definition Lessor, Sublease Income, Percentage Of Excess Rent Paid + References No definition available. + Details
Name: | dvax_LessorSubleaseIncomePercentageOfExcessRentPaid
Namespace Prefix: | dvax_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Sublease (Expense) Income + References No definition available. + Details
Name: | dvax_SubleaseExpenseIncome
Namespace Prefix: | dvax_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of operating lease expense. Excludes sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 4 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479041/842-20-45-4 + Details
Name: | us-gaap_OperatingLeaseExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 5 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479041/842-20-45-5 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (g)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-4 + Details
Name: | us-gaap_OperatingLeasePayments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration