Annual report pursuant to Section 13 and 15(d)

Acquisitions and Divestitures - Narrative (Details)

v3.20.4
Acquisitions and Divestitures - Narrative (Details)
$ in Thousands
1 Months Ended 3 Months Ended 12 Months Ended
Jun. 26, 2020
USD ($)
Feb. 26, 2020
USD ($)
Jan. 10, 2019
USD ($)
Jan. 31, 2020
USD ($)
Jun. 30, 2020
USD ($)
Mar. 31, 2020
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Jan. 28, 2020
agreement
Business Acquisition [Line Items]                    
Imputed interest rate discount             3.40%      
Loss on sale of a business entity and certain assets             $ (8,214) $ 0 $ 0  
Prime Turbines                    
Business Acquisition [Line Items]                    
Number of sale agreements | agreement                   2
Proceeds from sale of business   $ 20,000                
Note receivable   $ 8,300                
Loss on sale of a business entity and certain assets           $ (7,500)        
PTB Holdings USA, LLC | Other assets                    
Business Acquisition [Line Items]                    
Note receivable             4,700      
PTB Holdings USA, LLC | Other current assets                    
Business Acquisition [Line Items]                    
Note receivable             1,400      
CT Aerospace LLC                    
Business Acquisition [Line Items]                    
Proceeds from sale of business $ 6,900                  
Loss on sale of a business entity and certain assets         $ (678)          
Legacy Turbines LLC                    
Business Acquisition [Line Items]                    
Note receivable, net             5,200      
Legacy Turbines LLC | Other assets                    
Business Acquisition [Line Items]                    
Variable discount             275      
Legacy Turbines LLC | Other current assets                    
Business Acquisition [Line Items]                    
Variable discount             1,300      
First Choice Aerospace                    
Business Acquisition [Line Items]                    
Business acquisition, percentage acquired     100.00%              
Cash consideration     $ 113,000              
Working capital adjustment     1,100              
Earn-out payments     $ 40,000              
Consideration payment       $ 31,700            
Acquisition-related expenses             $ 408      
Employment Contracts                    
Business Acquisition [Line Items]                    
Term of contract     3 years              
Noncompete Agreements                    
Business Acquisition [Line Items]                    
Term of contract     5 years