Summary of Significant Accounting Policies - Restructuring and Reduction in Force Charges (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2024	Sep. 30, 2023
Summary of Significant Accounting Policies
Restructuring and related cost percent		7.00%
Severance and related costs	$ (27)	$ 4,300
Accelerated equity compensation expense		$ 500

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

Name:	us-gaap_SeveranceCosts1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration