Other noncurrent liabilities (Tables)

12 Months Ended

Dec. 31, 2022

Other noncurrent liabilities

Summary of Other Noncurrent Liabilities

	December 31,
	2021		2022
	(In thousands)
Reserve for uncertain tax positions	$	1,724	$	2,714
OPEB		787		637
Insurance claims and expenses		632		625
Other		347		303
Total	$	3,490	$	4,279