Annual report pursuant to Section 13 and 15(d)

Property, Plant and Equipment - Summary of Estimated Useful Lives of Property, Plant and Equipment (Detail)

v3.20.4
Property, Plant and Equipment - Summary of Estimated Useful Lives of Property, Plant and Equipment (Detail)
 12 Months Ended
Dec. 31, 2020
Buildings [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 20 years
Building improvements [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 10 years
Furniture, fixtures and equipment [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 5 years
Furniture, fixtures and equipment [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 20 years
Leasehold improvements [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives Shorter of useful life or remaining lease term