XML 91 R54.htm IDEA: XBRL DOCUMENT v3.20.4
Intangible Assets (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Dec. 31, 2020
Nov. 30, 2020
Dec. 31, 2019
Acquired Indefinite-lived Intangible Assets [Line Items]        
Indefinite-life intangible assets, net carrying value   $ 321,475   $ 352,275
Trade Names        
Acquired Indefinite-lived Intangible Assets [Line Items]        
Impairment charge $ 30,800      
Percentage of fair value in excess of carrying amount     3.00%  
Indefinite-life intangible assets, net carrying value   $ 318,700