Annual report pursuant to Section 13 and 15(d)

The Company and Summary of Significant Accounting Policies - Summary of Estimated Useful Lives of Property, Plant and Equipment (Detail)

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The Company and Summary of Significant Accounting Policies - Summary of Estimated Useful Lives of Property, Plant and Equipment (Detail)
 12 Months Ended
Dec. 31, 2019
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 Useful life or remaining lease term,    whichever is shorter