Annual report pursuant to Section 13 and 15(d)

Impairments and (Gain) Loss on Assets Held for Sale - Additional Information (Details)

v3.22.1
Impairments and (Gain) Loss on Assets Held for Sale - Additional Information (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
USD ($)
crane
Dec. 31, 2020
USD ($)
crane
Long Lived Assets Held-for-sale [Line Items]    
Impairments of other assets $ 22,750 $ 3,310
Other Assets    
Long Lived Assets Held-for-sale [Line Items]    
Impairments of other assets $ 900  
Disposal Group, Held-for-sale, Not Discontinued Operations    
Long Lived Assets Held-for-sale [Line Items]    
Impairments and nonrecurring costs of assets held for sale.   $ 2,500
Number of cranes | crane 1 2
Asset impairment and (gain) loss on assets held for sale, net   $ 200
Proceeds from the sale of assets held for sale $ 4,500 $ 1,700
Proceeds from the sale of assets held for sale net of transaction and other costs 4,400  
Gain (loss) on sale of assets 0  
Disposal Group, Held-for-sale, Not Discontinued Operations | Fabrication Division    
Long Lived Assets Held-for-sale [Line Items]    
Impairment of asset held for sale $ 1,400  
Number of cranes | crane 3  
Asset impairment and (gain) loss on assets held for sale, net $ 200