Equity-Based Compensation - Stock Option (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022
Stock Options Outstanding
Beginning balance (in shares)	2,982,893
Granted (in shares)	3,153,641
Forfeited (in shares)	(673,396)
Expired (in shares)	(32,286)
Ending balance (in shares)	5,430,852	2,982,893
Stock Options vested and exercisable, Outstanding (in shares)	272,851
Weighted-Average Exercise Price Per Share
Beginning balance (in usd per share)	$ 2.89
Granted (in usd per share)	2.01
Forfeited (in usd per share)	2.39
Expired (in usd per share)	8.36
Ending balance (in usd per share)	2.41	$ 2.89
Options, exercise price (in usd per share)	$ 6.07		$ 7.34
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Weighted-Average Remaining Contractual Life (in years)	9 years 3 months	9 years 7 months 20 days
Aggregate Intrinsic Value	$ 0	$ 0
Stock Options vested and exercisable, Weighted-Average Remaining Contractual Life (in years)	8 years 6 months 29 days
Stock Options vested and exercisable, Aggregate Intrinsic Value	$ 0