Segments - Total assets (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Total assets by operating segment
Total assets	$ 57,519	$ 68,673
Operating segment | United States
Total assets by operating segment
Total assets	48,495	58,091
Operating segment | Canada
Total assets by operating segment
Total assets	$ 9,024	$ 10,582