Annual report pursuant to Section 13 and 15(d)

Revenue Recognition (Details)

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Revenue Recognition (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Disaggregation of Revenue [Line Items]    
Net sales $ 334,715 $ 256,000
Fiberglass and steel liquid storage tanks and separation equipment    
Disaggregation of Revenue [Line Items]    
Net sales 1,343 5,503
Heavy wall seamless carbon steel pipe and tube    
Disaggregation of Revenue [Line Items]    
Net sales 40,539 23,670
Stainless steel pipe and tube    
Disaggregation of Revenue [Line Items]    
Net sales 186,651 154,974
Galvanized pipe and tube    
Disaggregation of Revenue [Line Items]    
Net sales 38,705 20,312
Specialty chemicals    
Disaggregation of Revenue [Line Items]    
Net sales $ 67,477 $ 51,541