Goodwill and Intangible Assets - Changes in the Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2023	Dec. 31, 2022	Dec. 31, 2021
Goodwill [Roll Forward]
Balance as of January 1		$ 21,418	$ 26,626
Goodwill acquired	$ 2,679	4,736
Goodwill impairment charges (see Note 2 and Note 7)	(16,867)	(9,944)
Balance, ending	$ 7,230	$ 21,418