Leases - Narrative (FY) (Details) $ in Thousands |
Sep. 30, 2024
USD ($)
|
Dec. 31, 2023
USD ($)
|
Nov. 30, 2022
lease
|
Dec. 30, 2021
lease
|
Jan. 31, 2021
USD ($)
|
|---|---|---|---|---|---|
| Leases [Abstract] | |||||
| Obligation owed under lease agreement | $ | $ 5,722 | $ 6,907 | $ 10,500 | ||
| Number of leases modified | 2 | ||||
| Lessee, operating lease, number of leases expired | 1 | ||||
| Operating lease, weighted-average remaining lease term | 3 years 4 months 24 days | 4 years 2 months 12 days | |||
| Operating lease, weighted-average discount rate | 5.60% | 5.60% |