Condensed Consolidated Balance Sheets - USD ($) $ in Thousands		Jun. 30, 2015	Dec. 31, 2014
Investments:
Securities held to maturity, at amortized cost (fair value: $7,370,596 and $7,175,443)		$ 7,121,439	$ 6,841,543
Securities available for sale, at fair value (cost: $2,740,993 and $2,590,074)		2,840,589	2,728,680
Mortgage loans, net of allowance for possible losses ($650 and $650)	[1]	132,261	149,503
Policy loans		61,933	63,645
Derivatives, index options		72,527	114,287
Other long-term investments		28,961	28,774
Total investments		10,257,710	9,926,432
Cash and cash equivalents		71,710	277,078
Deferred policy acquisition costs		826,083	802,919
Deferred sales inducements		156,371	159,766
Accrued investment income		99,438	96,127
Federal income tax receivable		7,546	0
Other assets		96,436	89,570
Total assets		11,515,294	11,351,892
Future policy benefits:
Universal life and annuity contracts		9,484,080	9,384,297
Traditional life reserves		137,451	138,225
Other policyholder liabilities		143,781	139,222
Deferred Federal income tax liability		40,001	31,675
Federal income tax payable		0	3,336
Other liabilities		117,853	98,817
Total liabilities		$ 9,923,166	$ 9,795,572
COMMITMENTS AND CONTINGENCIES (Note 8)
Common stock:
Additional paid-in capital		$ 38,116	$ 38,116
Accumulated other comprehensive income		27,410	41,786
Retained earnings		1,522,966	1,472,782
Total stockholders’ equity		1,592,128	1,556,320
Total liabilities and stockholders' equity		11,515,294	11,351,892
Common Class A [Member]
Common stock:
Common stock, value outstanding		3,436	3,436
Common Class B [Member]
Common stock:
Common stock, value outstanding		$ 200	$ 200

[1] Loan-to-Value Ratio determined using the most recent appraised value.