Fair Value of Financial Instruments - Fair value of financial instruments measured on a recurring basis (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Fair Value of Financial Instruments
Fair value of liabilities	$ 6,150	$ 10,462
Contingent consideration
Fair Value of Financial Instruments
Fair value of liabilities	5,935	10,184
Loans payable
Fair Value of Financial Instruments
Fair value of liabilities	215	278
Level 2
Fair Value of Financial Instruments
Fair value of liabilities	215	278
Level 2 | Loans payable
Fair Value of Financial Instruments
Fair value of liabilities	215	278
Level 3
Fair Value of Financial Instruments
Fair value of liabilities	5,935	10,184
Level 3 | Contingent consideration
Fair Value of Financial Instruments
Fair value of liabilities	$ 5,935	$ 10,184