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Leases - Narrative (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 21 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Lessee, Lease, Description [Line Items]          
Security deposit $ 730   $ 730   $ 730
Cash payments for operating lease expense $ 400 $ 400 1,200 $ 1,300  
Lease settlement expense     180    
Gain on settlement of lease liability     $ 445    
Weighted average discount rate 6.25%   6.25%   6.25%
Weighted average remaining lease term for operating leases 4 years 29 days   4 years 29 days   4 years 29 days
Selling, general and administrative expenses          
Lessee, Lease, Description [Line Items]          
Operating lease expense $ 400 $ 400     $ 1,200
Other expense (income), including non-cash expenses          
Lessee, Lease, Description [Line Items]          
Gain on settlement of lease liability     $ 440    
Accounts Payable and Accrued Liabilities          
Lessee, Lease, Description [Line Items]          
Lease settlement liability     $ 110