Summary of Business and Significant Accounting Policies - Schedule of Property And Equipment - Estimated Useful Lives (Detail)
|
12 Months Ended |
Dec. 31, 2021 |
| Computer Equipment [member] |
|
| Disclosure of detailed information about property, plant and equipment [Line Items] |
|
| Property useful lives |
3 years
|
| Bottom of range [member] | Buildings and building improvements [member] |
|
| Disclosure of detailed information about property, plant and equipment [Line Items] |
|
| Property useful lives |
10 years
|
| Bottom of range [member] | Furniture, fixtures and other equipment [member] |
|
| Disclosure of detailed information about property, plant and equipment [Line Items] |
|
| Property useful lives |
5 years
|
| Top of range [member] | Buildings and building improvements [member] |
|
| Disclosure of detailed information about property, plant and equipment [Line Items] |
|
| Property useful lives |
40 years
|
| Top of range [member] | Furniture, fixtures and other equipment [member] |
|
| Disclosure of detailed information about property, plant and equipment [Line Items] |
|
| Property useful lives |
7 years
|