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Stock Plans (Details 2)
$ in Thousands
12 Months Ended
Dec. 31, 2021
USD ($)
shares
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 15, 2005
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense | $ $ 11,470 $ 10,300 $ 13,306  
Barnes Group Stock And Incentive Award Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares available for purchase (in shares) 6,913,978      
Number of shares available for future grants (in shares) 2,488,316      
Other Incentive Awards [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Issuance ratio 2.84      
Stock Options and Rights [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Issuance ratio 1      
Number of shares available for future grants (in shares) 1,218,470      
Non Employee Director Deferred Stock Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares available for purchase (in shares) 28,800      
Non-employee directors       12,000
Dividends paid | $ $ 19 $ 21 $ 22  
All Stock Plans [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares available for purchase (in shares) 3,978,707      
Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period 5 years      
Maximum | Stock Rights [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period 5 years