Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Net sales:
Net sales	$ 97,228	$ 78,624	$ 289,696	$ 253,727
Net sales to related parties (Note 17)	2,419	2,561	6,959	6,686
Total net sales	99,647	81,185	296,655	260,413
Operating costs and expenses:
Costs of products sold (excluding depreciation and amortization)	84,378	67,990	250,685	213,011
Selling and administrative	11,089	10,910	31,941	34,538
Depreciation and amortization	4,206	4,279	13,133	13,515
Loss on disposal of assets	48	367	47	334
Total operating costs and expenses	99,721	83,546	295,806	261,398
(Loss) income from operations	(74)	(2,361)	849	(985)
Other income (expense):
Investment-related income	507	14	513	1,079
Interest expense	(1,486)	(834)	(3,684)	(2,672)
Other income – net	3,174	2,006	7,019	4,694
Total other income	2,195	1,186	3,848	3,101
Income (loss) before income taxes	2,121	(1,175)	4,697	2,116
Income tax provision	(987)	(291)	(1,432)	(2,044)
Net income (loss)	1,134	(1,466)	3,265	72
Less: Net income attributable to noncontrolling interest	288	123	371	431
Net income (loss) attributable to Ampco-Pittsburgh	$ 846	$ (1,589)	$ 2,894	$ (359)
Net income (loss) per share attributable to Ampco- Pittsburgh common shareholders:
Basic	$ 0.04	$ (0.08)	$ 0.15	$ (0.02)
Diluted	$ 0.04	$ (0.08)	$ 0.15	$ (0.02)
Weighted average number of common shares outstanding:
Basic	19,396	19,093	19,291	18,905
Diluted	19,522	19,093	19,473	18,905