CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Cash flows from operating activities
Net income	$ 347,434	$ 258,238	$ 277,471
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Realized investment (gains) losses	(45,427)	27,382	53,062
Amortization of deferred policy acquisition costs and value of business acquired	300,450	189,255	320,357
Capitalization of deferred policy acquisition costs	(442,638)	(446,560)	(397,963)
Depreciation expense	8,616	8,931	7,712
Deferred income tax	120,262	85,483	65,703
Accrued income tax	(24,683)	84,580	(43,724)
Interest credited to universal life and investment products	993,574	972,806	993,245
Policy fees assessed on universal life and investment products	(712,038)	(611,917)	(586,842)
Change in reinsurance receivables	(28,615)	(223,843)	(64,624)
Change in accrued investment income and other receivables	(35,436)	(22,567)	(1,197)
Change in policy liabilities and other policyholders' funds of traditional life and health products	15,307	341,104	242,165
Trading securities:
Maturities and principal reductions of investments	283,239	355,831	562,758
Sale of investments	860,474	730,385	908,466
Cost of investments acquired	(950,051)	(963,403)	(856,223)
Other net change in trading securities	7,933	(25,520)	(144,838)
Change in other liabilities	(148,801)	(17,981)	(122,113)
Other income - surplus note repurchase	(35,512)	(5,377)	(132,262)
Other, net	118,311	(47,319)	125,661
Net cash provided by operating activities	632,399	689,508	1,206,814
Cash flows from investing activities
Maturities and principal reductions of investments, available-for-sale	1,396,105	2,053,359	2,388,691
Sale of investments, available-for-sale	2,957,589	3,421,590	1,665,127
Cost of investments acquired, available-for-sale	(5,155,155)	(6,384,981)	(4,495,508)
Mortgage loans:
New lendings	(484,483)	(338,598)	(288,764)
Repayments	446,794	351,891	256,189
Change in investment real estate, net	(4,266)	151	293
Change in policy loans, net	14,190	31,663	16,657
Change in other long-term investments, net	77,079	(71,148)	(54,126)
Change in short-term investments, net	122,665	695,506	118,167
Net unsettled security transactions	68,810	(340)	14,797
Purchase of property and equipment	(17,463)	(10,636)	(8,408)
Sales of property and equipment		40
Payments for business acquisitions	(209,609)	(348,288)
Net cash used in investing activities	(787,744)	(599,791)	(386,885)
Cash flows from financing activities
Issuance (repayment) of non-recourse funding obligations	(112,200)	(194,200)	850,000
Dividend paid to the parent company	(215,000)		(667,738)
Capital contributions			135,000
Investment product deposits and change in universal life deposits	4,216,738	3,635,447	2,590,081
Investment product withdrawals	(3,777,365)	(3,477,430)	(3,675,247)
Other financing activities, net	(24,051)	20,606	(16,976)
Net cash provided by (used in) financing activities	88,122	(15,577)	(784,880)
Change in cash	(67,223)	74,140	35,049
Cash at beginning of period	236,998	162,858	127,809
Cash at end of period	$ 169,775	$ 236,998	$ 162,858