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Revenue Recognition (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Disaggregation of Revenue [Line Items]
Revenue increase (decrease)	$ 261,434	$ 298,386	$ 861,607	$ 943,710
Operating income/(loss)	(116,507)	25,171	(65,974)	107,053
Albany Engineered Composites
Disaggregation of Revenue [Line Items]
Revenue increase (decrease)	86,484	115,353	331,034	381,882
Albany Engineered Composites \| Long-Term Contract with Customer
Disaggregation of Revenue [Line Items]
Revenue increase (decrease)	(49,100)		(67,600)
Operating income/(loss)	(150,900)	(22,400)	(165,100)	(28,300)
Albany Engineered Composites \| CH-53K Programs \| Long-Term Contract with Customer
Disaggregation of Revenue [Line Items]
Operating income/(loss)	(147,300)		(157,400)
Albany Engineered Composites \| F-35 Program \| Long-Term Contract with Customer
Disaggregation of Revenue [Line Items]
Operating income/(loss)	(200)		(2,300)
Albany Engineered Composites \| Gulfstream Program \| Long-Term Contract with Customer
Disaggregation of Revenue [Line Items]
Operating income/(loss)	(900)
Albany Engineered Composites \| Other Program \| Long-Term Contract with Customer
Disaggregation of Revenue [Line Items]
Operating income/(loss)	(2,600)		(5,500)
SAFRAN Group \| Albany Engineered Composites
Disaggregation of Revenue [Line Items]
Revenue increase (decrease)	46,400	$ 40,900	130,200	$ 142,200
Receivables	$ 67,600		$ 67,600		$ 78,500