Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Net sales:
Net sales	$ 415,319	$ 380,255
Total net sales	422,340	390,189
Operating costs and expenses:
Costs of products sold (excluding depreciation and amortization)	347,781	327,996
Selling and administrative	50,884	43,527
Depreciation and amortization	17,674	17,408
Charge (credit) for asbestos-related costs, net	40,696	(2,226)
(Gain) loss on disposal of assets	(121)	706
Total operating costs and expenses	456,914	387,411
(Loss) income from operations	(34,574)	2,778
Other (expense) income:
Investment-related income	128	519
Interest expense	(9,347)	(5,434)
Other – net	4,516	7,693
Total other (expense) income	(4,703)	2,778
(Loss) income before income taxes	(39,277)	5,556
Income tax benefit (provision)	1,158	(1,576)
Net (loss) income	(38,119)	3,980
Less: Net income attributable to noncontrolling interest	1,809	564
Net (loss) income attributable to Ampco-Pittsburgh	$ (39,928)	$ 3,416
Net (loss) income per share attributable to Ampco-Pittsburgh common shareholders:
Basic	$ (2.04)	$ 0.18
Diluted	$ (2.04)	$ 0.18
Weighted-average number of common shares outstanding:
Basic	19,617	19,319
Diluted	19,617	19,444
Related Party [Member]
Net sales:
Net sales to related parties	$ 7,021	$ 9,934