Leases - Narrative (Details) ft² in Thousands, $ in Thousands			9 Months Ended
	May 04, 2023	Jul. 01, 2020 USD ($) ft² extension_period	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)
Lessee, Lease, Description [Line Items]
Operating lease, cash payments			$ 716	$ 1,379
Chicago
Lessee, Lease, Description [Line Items]
Operating lease area | ft²		30
Operating lease, contract term		10 years
Operating lease, number of extensions | extension_period		2
Operating lease, renewal term		5 years
Operating lease, annual rent payment		$ 1,113
Operating lease, base rent annual percentage increase (as a percent)		3.00%
Operating lease, estimated rental payment over lease term		$ 12,761
Sublease percentage of office space subtenant (as a percent)	57.00%
Period of no rental cost	3 months