Leases - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 09, 2021
Lessee, Lease, Description [Line Items]
Operating lease, cost	$ 600,000	$ 500,000
Operating lease, rent expense	200,000	300,000
Short-term lease expense	200,000	0
Variable lease expense	$ 100,000	$ 100,000
Operating lease, weighted average remaining lease term	1 year 11 months 15 days
Operating lease, weighted average discount rate, percent	3.60%
Frankfurt, Germany Office
Lessee, Lease, Description [Line Items]
Operating lease, monthly payments			$ 9,506
Berlin, Germany Office
Lessee, Lease, Description [Line Items]
Operating lease, monthly payments			$ 8,057