Revenue Recognition (Schedule of Disaggregate Revenue for Each Business Segment) (Details) - USD ($) $ in Thousands	3 Months Ended												12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Disaggregation of Revenue [Line Items]
Total Revenue	$ 257,700	$ 271,100	$ 273,900	$ 251,400	$ 251,600	$ 251,900	$ 255,400	$ 223,600	$ 226,700	$ 222,100	$ 215,600	$ 199,300	$ 1,054,132	$ 982,479	$ 863,717
Machine Clothing [Member]
Disaggregation of Revenue [Line Items]
Total Revenue													601,254	611,858	590,357
Albany Engineered Composites ASC [Member]
Disaggregation of Revenue [Line Items]
Total Revenue													220,188	182,699
Albany Engineered Composites Other AEC [Member]
Disaggregation of Revenue [Line Items]
Total Revenue													232,690	187,922
Engineered Composites [Member]
Disaggregation of Revenue [Line Items]
Total Revenue													452,878	370,621	$ 273,360
Point in Time Revenue Recognition [Member]
Disaggregation of Revenue [Line Items]
Total Revenue													626,638	630,272
Point in Time Revenue Recognition [Member] | Machine Clothing [Member]
Disaggregation of Revenue [Line Items]
Total Revenue													598,054	608,658
Point in Time Revenue Recognition [Member] | Albany Engineered Composites ASC [Member]
Disaggregation of Revenue [Line Items]
Total Revenue
Point in Time Revenue Recognition [Member] | Albany Engineered Composites Other AEC [Member]
Disaggregation of Revenue [Line Items]
Total Revenue													28,584	21,614
Point in Time Revenue Recognition [Member] | Engineered Composites [Member]
Disaggregation of Revenue [Line Items]
Total Revenue													28,584	21,614
Over Time Revenue Recognition [Member]
Disaggregation of Revenue [Line Items]
Total Revenue													427,494	352,207
Over Time Revenue Recognition [Member] | Machine Clothing [Member]
Disaggregation of Revenue [Line Items]
Total Revenue													3,200	3,200
Over Time Revenue Recognition [Member] | Albany Engineered Composites ASC [Member]
Disaggregation of Revenue [Line Items]
Total Revenue													220,188	182,699
Over Time Revenue Recognition [Member] | Albany Engineered Composites Other AEC [Member]
Disaggregation of Revenue [Line Items]
Total Revenue													204,106	166,308
Over Time Revenue Recognition [Member] | Engineered Composites [Member]
Disaggregation of Revenue [Line Items]
Total Revenue													$ 424,294	$ 349,007