Interim Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
OPERATING ACTIVITIES:
Net income (loss)	$ (3,143)	$ 16,787
Net realized investment losses	14,816	6,651
Amortization of deferred policy acquisition costs	55,759	56,508
Policy acquisition costs deferred	(52,877)	(66,988)
Undistributed equity in earnings of limited partnerships and other investments	(91)	(53)
Change in:
Accrued investment income	(3,893)	(3,579)
Deferred income taxes	(17,597)	7,706
Receivables	(4,324)	(1,583)
Policy liabilities and accruals	31,974	32,111
Other assets and other liabilities, net	(3,464)	9,860
Cash provided by operating activities	17,160	57,420
Purchases of:
Available-for-sale debt securities	(601,875)	(718,244)
Limited partnerships and other investments	(939)	(539)
Derivative instruments	(29,183)	(12,472)
Sales, repayments and maturities of:
Available-for-sale debt securities	304,028	313,206
Limited partnerships and other investments	247	3
Derivative instruments	12,087	18,539
Fair value option investments	22	37
Policy loan, net	1,373	(3,482)
Cash used for investing activities	(314,240)	(402,952)
FINANCING ACTIVITIES:
Policyholder deposit fund deposits	410,187	700,364
Policyholder deposit fund withdrawals	(82,828)	(342,328)
Capital contributions from parent	0	0
Cash provided by financing activities	327,359	358,036
Change in cash and cash equivalents	30,279	12,504
Cash and cash equivalents, beginning of period	67,465	51,059
Cash and cash equivalents, end of period	$ 97,744	$ 63,563