Annual report pursuant to Section 13 and 15(d)

Property, Plant and Equipment and Leased Facilities and Equipment - Additional Information (Details)

v3.23.1
Property, Plant and Equipment and Leased Facilities and Equipment - Additional Information (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Crane
Property, Plant and Equipment [Line Items]    
Depreciation expense for continuing operations $ 4,700 $ 4,100
Lease description We lease certain office, warehouse and operating facilities under long-term lease arrangements that expire at various dates through October 2027, some of which include renewal options ranging from one to 20 years.  
Operating lease, right-of-use asset $ 1,100  
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Other noncurrent assets  
Current lease liability $ 700  
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] Total current liabilities  
Long-term lease liability $ 1,400  
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] Other noncurrent liabilities  
Lease agreement expenses $ 1,600 1,000
Operating lease payments $ 2,000 1,500
Operating lease, term of contract 2 years 9 months 18 days  
Operating lease, weighted-average discount rate (percentage) 6.90%  
Asset impairment charges $ 484 $ 22,750
Number of cranes | Crane   2
Other Income Expense    
Property, Plant and Equipment [Line Items]    
Sublease income $ 400  
Fabrication Division    
Property, Plant and Equipment [Line Items]    
Proceeds from the sale of assets held for sale   $ 4,500
Proceeds from the sale of assets held for sale net of transaction and other costs   $ 4,400
Minimum    
Property, Plant and Equipment [Line Items]    
Lease renewal term 1 year  
Maximum    
Property, Plant and Equipment [Line Items]    
Lease renewal term 20 years