Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Investments:
Fixed-maturity securities and Short-term investments available-for-sale, at fair value	$ 2,514,585	$ 2,464,611
Fixed-maturity security held-to-maturity, at amortized cost (fair value: $1,572,889 in 2021 and $1,606,208 in 2020)	1,368,740	1,346,350
Short-term investments available-for-sale, at fair value (amortized cost: $40,327 in 2021 and $0 in 2020)	40,325
Equity securities, at fair value (historical cost: $31,900 in 2021 and $32,031 in 2020)	39,377	38,023
Trading securities, at fair value (cost: $33,788 in 2021 and $16,359 in 2020)	33,498	16,300
Policy loans	29,449	30,199
Total investments	4,025,974	3,895,483
Cash and cash equivalents	774,591	547,569
Accrued investment income	18,698	17,618
Reinsurance recoverables	4,239,510	4,273,904
Deferred policy acquisition costs, net	2,808,347	2,629,644
Agent balances, due premiums and other receivables	273,493	259,448
Intangible assets	45,275	45,275
Income taxes	75,069	73,290
Operating lease right-of-use assets	44,037	46,567
Other assets	469,050	456,967
Separate account assets	2,745,827	2,659,520
Total assets	15,519,871	14,905,285
Liabilities:
Future policy benefits	6,984,272	6,790,557
Unearned and advance premiums	20,229	17,136
Policy claims and other benefits payable	471,290	519,711
Other policyholders’ funds	485,855	447,765
Notes payable - Long term	374,606	374,415
Other debt obligations - Long term	125,000
Surplus note	1,368,194	1,345,772
Income taxes	204,197	223,496
Operating lease liabilities	50,194	52,806
Other liabilities	590,831	566,068
Payable under securities lending	80,613	72,154
Separate account liabilities	2,745,827	2,659,520
Commitments and contingent liabilities (see Commitments and Contingent Liabilities note)
Total liabilities	13,501,108	13,069,400
Stockholders’ equity:
Common stock ($0.01 par value; authorized 500,000 shares in 2021 and 2020; issued and outstanding 39,444 shares in 2021 and 39,306 shares in 2020)	394	393
Paid-in capital	12,880
Retained earnings	1,894,539	1,705,786
Accumulated other comprehensive income (loss), net of income tax:
Unrealized foreign currency translation gains (losses)	13,960	1,578
Net unrealized investment gains (losses) on available-for-sale securities	96,990	128,128
Total stockholders’ equity	2,018,763	1,835,885
Total liabilities and stockholders’ equity	$ 15,519,871	$ 14,905,285