Cash receivable as upfront payment due under collaboration agreement.

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- Definition

Development regulatory and sales milestones payments.

+ References

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- Definition

Initial transaction price.

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No definition available.

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- Definition

Number of distinct bundle.

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No definition available.

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- Definition

Number of distinct performance obligations.

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- 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.

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No definition available.

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- Definition

Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current.

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- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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Collaboration and License Agreements - Horizon Therapeutics Ireland DAC (Details)		12 Months Ended
	Jun. 18, 2021 USD ($) obligation bundle	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Jul. 31, 2021 USD ($)
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Revenues		$ 243,231,000	$ 138,287,000	$ 87,992,000
Contract liabilities		74,099,000	111,055,000
Horizon Therapeutics Ireland DAC \| ARO-XDH
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Cash received as due under collaboration agreement					$ 40,000,000
Number of distinct performance obligations \| obligation	1
Initial transaction price	$ 40,000,000
Revenues		26,700,000	6,700,000
Contract assets		0
Contract liabilities		6,700,000
Horizon Therapeutics Ireland DAC \| License Agreement
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Number of distinct bundle \| bundle	1
Number of distinct performance obligations \| obligation	1
Horizon Therapeutics Ireland DAC \| ARO-XDH Supply Agreement
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Revenues		2,500,000	$ 0
Contract assets		1,300,000
Contract liabilities		$ 0
Horizon Therapeutics Ireland DAC \| Maximum \| ARO-XDH
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Development regulatory and sales milestones payments	$ 660,000,000