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Reportable Segments and Geographic Data (Narrative) (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 12 Months Ended
Nov. 20, 2019
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
Segment Reporting Information [Line Items]                                
Net sale   $ 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
Increase decrease in assets $ 35,300                              
After acquired CirComp GmbH [Member]                                
Segment Reporting Information [Line Items]                                
Increase in Property, plant and equipment                           10,600    
Machine Clothing [Member]                                
Segment Reporting Information [Line Items]                                
Net sale                           601,254 611,858 590,357
Increase decrease in assets                           22,500    
AEC assets [Member]                                
Segment Reporting Information [Line Items]                                
Increase decrease in assets                           14,100    
Salt Lake City, Utah [Member]                                
Segment Reporting Information [Line Items]                                
Non-cash increase of lease modification                           $ 12,700    
Lease expiration date                           Dec. 31, 2029    
Albany Aerostructures Composites LLC (AAC) [Member]                                
Segment Reporting Information [Line Items]                                
Invoiced receivables, unbilled receivables and contract receivables   $ 114,500       $ 96,200               $ 114,500 96,200  
Safran [Member]                                
Segment Reporting Information [Line Items]                                
Net sale                           226,800 $ 186,300 $ 119,200
Rent paid under lease                           $ 200