XML 71 R57.htm IDEA: XBRL DOCUMENT v3.8.0.1
Other Comprehensive Income (Loss) - Reclassifications Out of Accumulated Other Comprehensive Income (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Net realized gains (losses) on investments $ 803 $ 101 $ 2,450 $ 1,344
Income taxes (6,635) (17,281) (41,354) (54,400)
NET INCOME 9,964 26,882 70,539 85,756
Accumulated Net Unrealized Investment Gain (Loss) [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Net realized gains (losses) on investments 803 101 2,450 1,344
Income taxes (308) (39) (938) (513)
NET INCOME $ 495 $ 62 $ 1,512 $ 831