Annual report pursuant to Section 13 and 15(d)

Acquisitions - Results of Operations Since Acquisition (Details)

v3.19.3.a.u2
Acquisitions - Results of Operations Since Acquisition (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
American Stainless Tubing, Inc.    
Business Acquisition [Line Items]    
Net sales $ 34,477  
Income before income taxes $ 2,690  
MUSA-Galvanized    
Business Acquisition [Line Items]    
Net sales   $ 11,877
Income before income taxes   $ 65