Annual report pursuant to Section 13 and 15(d)

Intangible Assets and Amortization Method (Detail)

v3.20.4
Intangible Assets and Amortization Method (Detail)
 12 Months Ended
Dec. 31, 2020
Finite Lived Intangible Assets [Line Items]  
Goodwill Indefinite-lived
Tradename Indefinite-lived and definite-lived.  Definite-lived tradename asset has a remaining useful life of approximately six years.
Other Intangible Assets  
Finite Lived Intangible Assets [Line Items]  
Finite-Lived Intangible Assets, Amortization Method Straight-line method over the terms of the underlying agreement or the expected useful life of the intangible asset. The remaining useful lives of these intangible assets range from two to five years.
Other Intangible Assets | Minimum  
Finite Lived Intangible Assets [Line Items]  
Finite-Lived Intangible Asset, Useful Life 2 years
Other Intangible Assets | Maximum  
Finite Lived Intangible Assets [Line Items]  
Finite-Lived Intangible Asset, Useful Life 5 years
Trade Names  
Finite Lived Intangible Assets [Line Items]  
Finite-Lived Intangible Asset, Useful Life 6 years