Annual report pursuant to Section 13 and 15(d)

Goodwill and Intangible Assets - Narrative (Details)

v3.20.4
Goodwill and Intangible Assets - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Goodwill [Line Items]          
Decrease from divestiture     $ (7,379)    
Impairment charge     (30,945)    
Amortization of intangible assets     17,504 $ 19,317 $ 16,017
Aviation          
Goodwill [Line Items]          
Decrease from divestiture   $ (7,400) (7,379)    
Impairment charge $ (30,900)   $ (30,945)    
Aviation | CT Aerospace LLC          
Goodwill [Line Items]          
Impairment charge $ (2,800)