Stock-Based Compensation - Stock option activity (Details) - $ / shares	9 Months Ended
	Sep. 30, 2023
Number of Shares
Outstanding at beginning of period (in shares)	5,028,850
Granted (in shares)	799,144
Exercised (in shares)	(145,149)
Forfeited (in shares)	(120,298)
Outstanding at end period (in shares)	5,562,547
Exercisable (in shares)	3,232,149
Weighted‑ Average Exercise Price
Outstanding at beginning period (in dollars per share)	$ 10.95
Granted (in dollars per share)	13.79
Exercised (in dollars per share)	5.20
Forfeited (in dollars per share)	15.16
Outstanding at end period (in dollars per share)	11.40
Exercisable (in dollars per share)	$ 9.20