Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Net sales:
Net sales	$ 100,290	$ 90,386	$ 192,468	$ 175,103
Net sales to related parties (Note 17)	2,292	2,042	4,540	4,125
Total net sales	102,582	92,428	197,008	179,228
Operating costs and expenses:
Costs of products sold (excluding depreciation and amortization)	87,487	75,433	166,307	145,021
Selling and administrative	10,974	12,070	20,852	23,628
Depreciation and amortization	4,440	4,493	8,927	9,236
Loss (gain) on disposal of assets	1	(37)	(1)	(33)
Total operating costs and expenses	102,902	91,959	196,085	177,852
(Loss) income from operations	(320)	469	923	1,376
Other income (expense):
Investment-related income	2	1,047	6	1,065
Interest expense	(1,204)	(943)	(2,198)	(1,838)
Other income – net	2,433	2,023	3,845	2,688
Total other income	1,231	2,127	1,653	1,915
Income before income taxes	911	2,596	2,576	3,291
Income tax provision	(389)	(1,372)	(445)	(1,753)
Net income	522	1,224	2,131	1,538
Less: Net income attributable to noncontrolling interest	119	161	83	308
Net income attributable to Ampco-Pittsburgh	$ 403	$ 1,063	$ 2,048	$ 1,230
Net income per share attributable to Ampco-Pittsburgh common shareholders:
Basic	$ 0.02	$ 0.06	$ 0.11	$ 0.07
Diluted	$ 0.02	$ 0.05	$ 0.11	$ 0.06
Weighted average number of common shares outstanding:
Basic	19,285	18,981	19,237	18,810
Diluted	19,434	21,249	19,452	20,981