Other noncurrent liabilities - Summary of Other Noncurrent Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Other noncurrent liabilities
Reserve for uncertain tax positions	$ 2,714	$ 1,724
OPEB	637	787
Insurance claims and expenses	625	632
Other	303	347
Total	$ 4,279	$ 3,490