Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Net sales:
Net sales	$ 102,200	$ 97,228	$ 311,491	$ 289,696
Total net sales	102,218	99,647	314,232	296,655
Operating costs and expenses:
Costs of products sold (excluding depreciation and amortization)	84,490	84,101	256,333	249,700
Selling and administrative	11,821	11,089	38,101	31,941
Depreciation and amortization	4,382	4,206	13,110	13,133
Credit for asbestos litigation	(191)	0	(191)	0
(Gain) loss on disposal of assets	(6)	48	(124)	47
Total operating costs and expenses	100,496	99,444	307,229	294,821
Income from operations	1,722	203	7,003	1,834
Other (expense): income:
Investment-related income	98	507	114	513
Interest expense	(2,468)	(1,486)	(6,784)	(3,684)
Other income - net	1,959	3,174	3,424	7,019
Total other (expense) income	(411)	2,195	(3,246)	3,848
Income (loss) before income taxes	1,311	2,398	3,757	5,682
Income tax provision	(76)	(987)	(541)	(1,432)
Net income	1,235	1,411	3,216	4,250
Less: Net income attributable to noncontrolling interest	426	288	1,308	371
Net income (loss) attributable to Ampco-Pittsburgh	$ 809	$ 1,123	$ 1,908	$ 3,879
Net income per share attributable to Ampco-Pittsburgh common shareholders:
Basic	$ 0.04	$ 0.06	$ 0.1	$ 0.2
Diluted	$ 0.04	$ 0.06	$ 0.1	$ 0.2
Weighted-average number of common shares outstanding:
Basic	19,729	19,396	19,580	19,291
Diluted	19,729	19,522	19,633	19,473
Related Party [Member]
Net sales:
Net sales to related parties	$ 18	$ 2,419	$ 2,741	$ 6,959