Condensed Consolidated Balance Sheets (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Investments:
Fixed maturities, available-for-sale, at fair value (amortized cost $15,544,598 and $15,382,402, respectively)	$ 16,561,815	$ 15,943,057
Fixed maturities, held for trading, at fair value (amortized cost $163,466 and $134,587, respectively)	178,770	144,174
Mortgage loans on real estate (net of allowances of $21,130 and $16,300, respectively)	2,199,621	1,722,422
Equity investments, available-for-sale, at fair value (cost $2,196 and $1,313, respectively)	2,009	1,888
Policy loans	4,125,093	4,059,640
Short-term investments, available-for-sale (cost approximates fair value)	1,347,633	964,507
Limited partnership and other corporation interests	178,796	210,146
Other investments	22,205	22,762
Total investments	24,615,942	23,068,596
Other assets:
Cash	4,195	4,476
Reinsurance receivable	607,774	594,997
Deferred acquisition costs and value of business acquired	363,407	306,948
Investment income due and accrued	271,783	239,345
Premiums in course of collection	2,404	15,421
Collateral under securities lending agreements	5,411	51,749
Due from parent and affiliates	128,751	203,231
Goodwill	105,255	105,255
Other intangible assets	22,801	25,642
Other assets	524,284	460,573
Assets of discontinued operations	46,350	62,091
Separate account assets	21,362,101	22,489,038
Total assets	48,060,458	47,627,362
Policy benefit liabilities:
Future policy benefits	21,386,087	20,420,875
Policy and contract claims	303,745	293,383
Policyholders' funds	348,155	372,980
Provision for policyholders' dividends	66,810	66,244
Undistributed earnings on participating business	9,618	6,803
Total policy benefit liabilities	22,114,415	21,160,285
General liabilities:
Due to parent and affiliates	544,026	537,474
Repurchase agreements	1,054,462	936,762
Commercial paper	95,945	91,681
Payable under securities lending agreements	5,411	51,749
Deferred income tax liabilities, net	232,595	57,798
Other liabilities	520,136	460,310
Liabilities of discontinued operations	46,345	62,042
Separate account liabilities	21,362,101	22,489,038
Total liabilities	45,975,436	45,847,139
Commitments and contingencies (Note 13)
Stockholder's equity:
Preferred stock, $1 par value, 50,000,000 shares authorized; none issued and outstanding
Common stock, $1 par value, 50,000,000 shares authorized; 7,032,000 shares issued and outstanding	7,032	7,032
Additional paid-in capital	767,579	764,644
Accumulated other comprehensive income (loss)	511,518	242,516
Retained earnings	798,893	766,031
Total stockholder's equity	2,085,022	1,780,223
Total liabilities and stockholder's equity	$ 48,060,458	$ 47,627,362