Debt - Expected future minimum principal payments (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Borrowings
2024, remainder	$ 11,813
2025	25,006
2026	5,000
Total debt	41,819	$ 79,856
Convertible Notes
Borrowings
2024, remainder	4,000
2025	0
2026	5,000
Total debt	9,000
Borrowings
Borrowings
2024, remainder	7,813
2025	25,006
Total debt	$ 32,819