XML 147 R36.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Collaboration and License Agreements - Horizon Therapeutics Ireland DAC (Details) - Horizon - Horizon License Agreement $ in Millions | 1 Months Ended |
--- | --- | ---
Jul. 31, 2021 USD ($) | Jun. 30, 2021 obligation | Jan. 31, 2023 USD ($)
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |  |
Number of distinct performance obligations | obligation |  | 1 |
Initial transaction price | $ 40.0 |  |
Milestone payment |  |  | $ 15.0

X
- Definition Initial transaction price. + References No definition available. + Details
Name: | arwr_InitialTransactionPrice
Namespace Prefix: | arwr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Milestone payment earned. + References No definition available. + Details
Name: | arwr_MilestonePaymentEarned
Namespace Prefix: | arwr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Number of distinct performance obligations. + References No definition available. + Details
Name: | arwr_NumberOfDistinctPerformanceObligations
Namespace Prefix: | arwr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 808 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479402/808-10-50-1 + Details
Name: | us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_CounterpartyNameAxis=arwr_HorizonTherapeuticsIrelandDACMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=arwr_HorizonLicenseAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |