Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2017		Dec. 31, 2016
Investments:
Fixed-maturity securities available-for-sale, at fair value (amortized cost: $1,822,890 in 2017 and $1,734,683 in 2016)	$ 1,888,983	[1]	$ 1,792,438	[2]
Fixed-maturity securities held-to-maturity, at amortized cost (fair value: $665,801 in 2017 and $513,015 in 2016)	635,690		503,230
Equity securities available-for-sale, at fair value (cost: $35,369 in 2017 and $36,818 in 2016)	45,936		44,894
Trading securities, at fair value (cost: $15,538 in 2017 and $7,382 in 2016)	15,541		7,383
Policy loans	34,316		30,916
Total investments	2,620,466		2,378,861
Cash and cash equivalents	154,499		211,976
Accrued investment income	16,585		16,520
Due from reinsurers	4,191,754		4,193,562
Deferred policy acquisition costs, net	1,833,877		1,713,065
Agent balances, due premiums and other receivables	223,923		210,448
Intangible assets, net (accumulated amortization: $76,933 in 2017 and $75,231 in 2016)	53,214		54,915
Income taxes	39,764		37,369
Other assets	386,279		334,274
Separate account assets	2,424,937		2,287,953
Total assets	11,945,298		11,438,943
Liabilities:
Future policy benefits	5,812,217		5,673,890
Unearned premiums	500		527
Policy claims and other benefits payable	267,630		268,136
Other policyholders’ funds	377,313		363,038
Notes payable	373,103		372,919
Surplus note	634,980		502,491
Income taxes	241,314		225,006
Other liabilities	428,176		449,963
Payable under securities lending	115,875		73,646
Separate account liabilities	2,424,937		2,287,953
Commitments and contingent liabilities (see Commitments and Contingent Liabilities note)
Total liabilities	10,676,045		10,217,569
Stockholders’ equity:
Common stock ($0.01 par value; authorized 500,000 in 2017 and 2016; issued and outstanding 45,035 shares in 2017 and 45,721 shares in 2016)	450		457
Paid-in capital			52,468
Retained earnings	1,224,375		1,138,851
Accumulated other comprehensive income (loss), net of income tax:
Unrealized foreign currency translation gains (losses)	(5,401)		(13,193)
Net unrealized investment gains (losses):
Net unrealized investment gains not other-than-temporarily impaired	49,883		42,852
Net unrealized investment losses other-than-temporarily impaired	(54)		(61)
Total stockholders’ equity	1,269,253		1,221,374
Total liabilities and stockholders’ equity	$ 11,945,298		$ 11,438,943

[1] Includes approximately $0.1 million of other-than-temporary impairment (“OTTI”) losses related to corporates and mortgage- and asset-backed securities recognized in accumulated other comprehensive income.

[2] Includes approximately $0.1 million of OTTI related to corporates and mortgage- and asset-backed securities recognized in accumulated other comprehensive income.