Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

v3.4.0.3
Document and Entity Information - USD ($)
3 Months Ended
Mar. 31, 2016
May. 05, 2016
Jul. 04, 2015
Document Information [Line Items]      
Entity Registrant Name Synalloy Corporation    
Entity Central Index Key 0000095953    
Current Fiscal Year End Date --12-31    
Entity Filer Category Accelerated Filer    
Entity Public Float     $ 112,150,453
Entity Common Stock, Shares Outstanding   8,612,370  
Document Fiscal Year Focus 2016    
Document Fiscal Period Focus Q1    
Document Type 10-Q    
Amendment Flag false    
Document Period End Date Mar. 31, 2016