Acquisitions (Details) - Channel - USD ($) $ in Thousands		3 Months Ended
Apr. 04, 2022	Jun. 30, 2022
Business Acquisition [Line Items]
Upfront cash payment	$ 35,000
Stock issued in acquisition, number of shares	493,254
Stock issued in acquisition	$ 58,747
Potential developmental and regulatory milestones on BHV-7000	325,000
Potential developmental and regulatory milestones on Kv7 pipeline development	250,000
Potential commercial sales based milestones of BHV-7000	$ 562,500
Charge to research and development expense		$ 93,747
R&D expense		$ 25,000

Asset Acquisition, Consideration Transferred, Equity Interest Issued and Issuable, Number Of Shares

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Asset Acquisition, Potential Commercial Sales-Based Milestone Payments, Maximum

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Asset Acquisition, Potential Developmental And Regulatory Milestone Payments, Kv7 Pipeline Development, Maximum

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Asset Acquisition, Potential Developmental And Regulatory Milestone Payments, Lead Asset BVH7000, Maximum

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Amount of acquirer's equity interest issued and issuable as part of consideration transferred in asset acquisition.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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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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The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.

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The amount of the write-off for research and development assets that were acquired in a transaction other than a business combination.

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The costs incurred in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, excluding in-process research and development acquired in a business combination consummated during the period. Excludes software research and development, which has a separate concept.

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