Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

v3.7.0.1
Document and Entity Information - shares
3 Months Ended
Mar. 31, 2017
May 05, 2017
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 Common Stock, Shares Outstanding   8,678,622
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q1  
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2017