Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Investments:
Fixed-maturity securities available-for-sale, at fair value (amortized cost: $3,033,914 in 2024 and $2,935,212 in 2023)	$ 2,796,030	$ 2,719,467
Fixed-maturity security held-to-maturity, at amortized cost (fair value: $1,268,174 in 2024 and $1,334,892 in 2023)	1,353,370	1,386,980
Short-term investments available-for-sale, at fair value (amortized cost: $276 in 2023)	0	276
Equity securities, at fair value (historical cost: $22,828 in 2024 and $27,106 in 2023)	26,026	29,680
Trading securities, at fair value (cost: $3,719 in 2024 and $18,761 in 2023)	3,158	18,383
Policy loans and other invested assets	49,791	51,175
Total investments	4,228,375	4,205,961
Cash and cash equivalents	627,292	613,148
Accrued investment income	25,687	23,958
Reinsurance recoverables	2,833,055	3,015,777
Deferred policy acquisition costs, net	3,566,126	3,447,234
Renewal commissions receivable	171,022	190,258
Agent balances, due premiums and other receivables	288,766	273,066
Goodwill	0	127,707
Intangible assets, net (accumulated amortization: $0 in 2024 and $26,250 in 2023)	45,275	175,025
Income taxes	118,379	123,514
Operating lease right-of-use assets	50,646	53,693
Other assets	357,115	382,549
Separate account assets	2,253,966	2,395,842
Total assets	14,565,704	15,027,732
Liabilities:
Future policy benefits	6,436,332	6,742,025
Unearned and advance premiums	17,076	14,876
Policy claims and other benefits payable	478,773	513,803
Other policyholders’ funds	412,570	435,094
Note payable	594,110	593,709
Surplus note	1,353,014	1,386,592
Income taxes	135,049	135,247
Total lease liabilities	58,756	61,358
Other liabilities	613,303	583,434
Payable under securities lending	90,995	99,785
Separate account liabilities	2,253,966	2,395,842
Commitments and contingent liabilities (see Commitments and Contingent Liabilities note)
Total liabilities	12,443,944	12,961,765
Stockholders' equity:
Common stock ($0.01 par value; authorized 500,000 shares in 2024 and 2023; issued and outstanding 33,994 shares in 2024 and 34,996 shares in 2023)	340	350
Retained earnings	2,122,832	2,276,946
Accumulated other comprehensive income (loss), net of income tax:
Effect of change in discount rate assumptions on the liability for future policy benefits	201,441	(39,086)
Unrealized foreign currency translation gains (losses)	(15,507)	(2,235)
Net unrealized investment gains (losses) on available-for-sale securities	(187,346)	(170,008)
Total stockholders' equity	2,121,760	2,065,967
Total liabilities and stockholders' equity	$ 14,565,704	$ 15,027,732