• Filing Date: 2020-03-06
  • Form Type: 10-K
  • Description: Annual report
v3.19.3.a.u2
Segment Information - Additional Information (Detail) - Segment
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Segment Reporting Information [Line Items]      
Number of operating divisions 3    
Sales Revenue, Net [Member] | Segment Concentration Risk [Member] | Insurance Operations [Member]      
Segment Reporting Information [Line Items]      
Concentration risk, percentage 95.00% 95.00% 96.20%
Assets [Member] | Segment Concentration Risk [Member] | Insurance Operations [Member]      
Segment Reporting Information [Line Items]      
Concentration risk, percentage 85.50% 85.90%