Convertible Notes - Fair Value Assumptions - Convertible Notes (Details) - September 2021 Convertible Notes $ / shares in Units, $ in Thousands	Sep. 30, 2023 USD ($) year $ / shares	Dec. 31, 2022 USD ($) year $ / shares	Sep. 30, 2021 USD ($) $ / shares	Sep. 01, 2021 USD ($) year $ / shares
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Principal | $			$ 11,600
Conversion price per share (in usd per share)			$ 22.50
Convertible notes
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Principal | $	$ 3,365	$ 6,730		$ 11,206
Interest rate	8.20%	6.60%		4.50%
Common stock fair value per share (usd per share)	$ 16.08	$ 9.94		$ 20.49
Conversion price per share (in usd per share)	$ 22.50	$ 22.50		$ 22.50
Risk-free interest rate | Convertible notes
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Convertible notes, measurement input	0.0538	0.0450		0.0045
Time to exercise | Convertible notes
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Convertible notes, measurement input | year	0.9	1.7		3.0
Expected volatility | Convertible notes
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Convertible notes, measurement input	0.45	0.53		0.37
Annual dividend yield | Convertible notes
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Convertible notes, measurement input	0	0		0