|
Information about Comprehensive Income (Detail) (USD $)
In Thousands, unless otherwise specified
|
3 Months Ended |
9 Months Ended |
|
Sep. 30, 2012
|
Sep. 30, 2011
|
Sep. 30, 2012
|
Sep. 30, 2011
|
| Other Comprehensive Income [Line Items] |
|
|
|
|
| Net realized investment gains (losses), excluding impairment losses, Before-Tax Amount |
$ 423 |
$ 204 |
$ 1,303 |
$ 3,337 |
| Other-than-temporary impairment losses recognized in earnings, Before-Tax Amount |
(697) |
(167) |
(1,153) |
(674) |
| Other-than-temporary impairment losses recognized in other comprehensive income, Before-Tax Amount |
47 |
17 |
197 |
131 |
| Net unrealized gains (losses) excluding impairment losses, Before-Tax Amount |
40,482 |
57,530 |
79,454 |
93,863 |
| Effect on DAC and VOBA, Before-Tax Amount |
(6,585) |
(20,189) |
(17,839) |
(27,019) |
| Future policy benefits, Before-Tax Amount |
(5,564) |
(5,940) |
(13,209) |
(9,335) |
| Policyholder account balances, Before-Tax Amount |
(274) |
(148) |
(609) |
(265) |
| Other comprehensive income, Before-Tax Amount |
28,059 |
31,253 |
47,797 |
57,244 |
| Net realized investment gains (losses), excluding impairment losses, Tax (Expense) or Benefit |
148 |
71 |
456 |
1,168 |
| Other-than-temporary impairment losses recognized in earnings, Tax (Expense) or Benefit |
(244) |
(59) |
(404) |
(236) |
| Other-than-temporary impairment losses recognized in other comprehensive income, Tax (Expense) or Benefit |
16 |
6 |
69 |
46 |
| Net unrealized gains (losses) excluding impairment losses, Tax (Expense) or Benefit |
14,169 |
20,138 |
27,809 |
32,854 |
| Effect on DAC and VOBA, Tax (Expense) or Benefit |
(2,305) |
(7,066) |
(6,244) |
(9,457) |
| Future policy benefits, Tax (Expense) or Benefit |
(1,947) |
(2,078) |
(4,623) |
(3,267) |
| Policyholder account balances, Tax (Expense) or Benefit |
(96) |
(53) |
(213) |
(93) |
| Other comprehensive income, Tax (Expense) or Benefit |
9,821 |
10,941 |
16,729 |
20,037 |
| Net realized investment gains (losses), excluding impairment losses, Net-of-Tax Amount |
275 |
133 |
847 |
2,169 |
| Other-than-temporary impairment losses recognized in earnings, Net-of-Tax Amount |
(453) |
(108) |
(749) |
(438) |
| Other-than-temporary impairment losses recognized in other comprehensive income, Net-of-Tax Amount |
31 |
11 |
128 |
85 |
| Net unrealized gains (losses) excluding impairment losses, Net-of-Tax Amount |
26,313 |
37,392 |
51,645 |
61,009 |
| Effect on DAC and VOBA, Net-of-Tax Amount |
(4,280) |
(13,123) |
(11,595) |
(17,562) |
| Future policy benefits, Net-of-Tax Amount |
(3,617) |
(3,862) |
(8,586) |
(6,068) |
| Policyholder account balances, Net-of-Tax Amount |
(178) |
(95) |
(396) |
(172) |
| Other comprehensive income |
18,238 |
20,312 |
31,068 |
37,207 |
| Net income |
4,132 |
4,466 |
31,970 |
20,430 |
| Comprehensive income |
22,370 |
24,778 |
63,038 |
57,637 |
|
Fixed maturity securities available for sale
|
|
|
|
|
| Other Comprehensive Income [Line Items] |
|
|
|
|
| Net unrealized gains (losses), Before-Tax Amount |
40,197 |
58,107 |
79,796 |
97,111 |
| Net unrealized gains (losses), Tax (Expense) or Benefit |
14,068 |
20,339 |
27,928 |
33,991 |
| Net unrealized gains (losses), Net-of-Tax Amount |
26,129 |
37,768 |
51,868 |
63,120 |
|
Equity securities
|
|
|
|
|
| Other Comprehensive Income [Line Items] |
|
|
|
|
| Net unrealized gains (losses), Before-Tax Amount |
58 |
(523) |
5 |
(454) |
| Net unrealized gains (losses), Tax (Expense) or Benefit |
21 |
(183) |
2 |
(159) |
| Net unrealized gains (losses), Net-of-Tax Amount |
$ 37 |
$ (340) |
$ 3 |
$ (295) |