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Summary of Significant Accounting Policies - Summary of Depreciation of Property and Equipment (Detail)
12 Months Ended
Dec. 31, 2019
Data Processing Systems [member]  
Disclosure of detailed information about property, plant and equipment [line items]  
Depreciation Annual Rate 20.00%
Furniture and equipment [member]  
Disclosure of detailed information about property, plant and equipment [line items]  
Depreciation Annual Rate 10.00%
Security Systems [member]  
Disclosure of detailed information about property, plant and equipment [line items]  
Depreciation Annual Rate 10.00%
Facilities [member]  
Disclosure of detailed information about property, plant and equipment [line items]  
Depreciation Annual Rate 10.00%