• Filing Date: 2017-02-22
  • Form Type: 10-K
  • Description: Annual report
v3.6.0.2
Segment Information - Additional Information (Detail) - Segments
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Segment Reporting Information [Line Items]      
Number of operating divisions 4    
Sales Revenue, Net [Member] | Insurance Operations [Member]      
Segment Reporting Information [Line Items]      
Concentration risk, percentage 95.50% 97.50% 97.20%
Assets [Member] | Insurance Operations [Member]      
Segment Reporting Information [Line Items]      
Concentration risk, percentage 87.90% 91.80% 94.10%