Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Investments:
Fixed maturities, available-for-sale, at fair value (amortized cost of $22,762,962 and $21,672,727)	$ 23,593,139	$ 22,153,703
Fixed maturities, held-for-trading, at fair value (amortized cost of $20,512 and $519,495)	21,059	514,738
Mortgage loans on real estate (net of valuation allowances of $773 and $2,882)	4,005,187	3,558,826
Policy loans	4,104,094	4,019,648
Short-term investments (amortized cost of $350,266 and $303,988)	350,266	303,988
Limited partnership and other corporation interests	45,540	34,895
Other investments	17,997	15,052
Total investments	32,137,282	30,600,850
Other assets:
Cash and cash equivalents	17,211	18,321
Reinsurance receivable	589,080	598,864
Deferred acquisition costs (“DAC”) and value of business acquired (“VOBA”)	518,510	486,690
Investment income due and accrued	299,362	287,681
Due from parent and affiliates	114,133	81,995
Goodwill	137,683	137,683
Other intangible assets	17,085	20,087
Other assets	954,250	1,021,210
Assets of discontinued operations		17,652
Separate account assets	27,660,571	27,037,765
Total assets	62,461,262	60,308,798
Policy benefit liabilities:
Future policy benefits	30,048,927	28,872,899
Policy and contract claims	389,029	372,259
Policyholders’ funds	280,578	285,554
Provision for policyholders’ dividends	41,972	49,521
Undistributed earnings on participating business	14,636	15,573
Total policy benefit liabilities	30,775,142	29,595,806
General liabilities:
Due to parent and affiliates	553,901	537,990
Commercial paper	99,886	99,049
Deferred income tax liabilities, net	93,203
Deferred income tax liabilities, net, noncurrent		191,911
Other liabilities	812,875	816,304
Liabilities of discontinued operations	16,095	17,652
Separate account liabilities	27,660,571	27,037,765
Total	60,011,673	58,296,477
Commitments and contingencies (See Note 21)
Stockholder’s equity:
Preferred stock, $1 par value, 50,000,000 shares authorized; none issued and outstanding	0	0
Common stock, $1 par value, 50,000,000 shares authorized; 7,320,176 and 7,292,708 shares issued and outstanding	7,320	7,293
Additional paid-in capital	949,520	863,031
Accumulated other comprehensive income	440,957	235,875
Retained earnings	1,051,792	906,122
Total stockholder’s equity	2,449,589	2,012,321
Total liabilities and stockholder’s equity	$ 62,461,262	$ 60,308,798