No definition available.

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Cumulative amount of payments received under the collaboration agreement as of the end of the reporting period.

+ References

No definition available.

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Milestone payments achieved under the collaboration agreement during the period and included in the transaction price for the performance obligation.

+ References

No definition available.

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The next payment to be achieved under the collaboration agreement.

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No definition available.

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- Definition

Royalty percentage received on the sales of a medicine by a collaboration partner under the collaboration agreement.

+ References

No definition available.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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- Definition

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

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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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Collaborative Arrangements and Licensing Agreements, Biogen (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended			9 Months Ended
	Oct. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Collaborative Arrangement and Licensing Agreement [Abstract]
Revenue		$ 144,207		$ 159,767	$ 463,142	$ 435,478
Biogen [Member]
Collaborative Arrangement and Licensing Agreement [Abstract]
Revenue		94,695		$ 88,959	262,599	$ 259,713
Deferred contract revenue		$ 316,800			$ 316,800		$ 351,200
Biogen [Member] \| Revenue [Member] \| Strategic Partner [Member]
Collaborative Arrangement and Licensing Agreement [Abstract]
Concentration percentage		66.00%		56.00%	57.00%	60.00%
Biogen [Member] \| Minimum [Member]
Collaborative Arrangement and Licensing Agreement [Abstract]
Cumulative payments received		$ 3,600,000			$ 3,600,000
2013 Strategic Neurology [Member]
Collaborative Arrangement and Licensing Agreement [Abstract]
Revenue			$ 16,000
2013 Strategic Neurology [Member] \| QALSODY [Member]
Collaborative Arrangement and Licensing Agreement [Abstract]
Next payment to be achieved		20,000			$ 20,000
2013 Strategic Neurology [Member] \| QALSODY [Member] \| Minimum [Member]
Collaborative Arrangement and Licensing Agreement [Abstract]
Royalty percentage received on sales of medicine					11.00%
2013 Strategic Neurology [Member] \| QALSODY [Member] \| Maximum [Member]
Collaborative Arrangement and Licensing Agreement [Abstract]
Royalty percentage received on sales of medicine					15.00%
2012 Neurology [Member] \| Subsequent Event [Member]
Collaborative Arrangement and Licensing Agreement [Abstract]
Next payment to be achieved	$ 70,000
2012 Neurology [Member] \| ION582 [Member]
Collaborative Arrangement and Licensing Agreement [Abstract]
Milestone payments achieved and included in transaction price for performance obligation		$ 21,000
2012 Neurology [Member] \| ION582 [Member] \| Subsequent Event [Member]
Collaborative Arrangement and Licensing Agreement [Abstract]
Milestone payments achieved and included in transaction price for performance obligation	$ 9,000