Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenue:
Revenue	$ 1,074,405	$ 1,028,067	$ 3,225,120	$ 3,054,116
Net investment income	245,625	238,975	733,101	713,103
Realized gains (losses)	(29,155)	10,475	(66,845)	47,286
Other income	398	321	861	1,004
Total revenue	1,291,273	1,277,838	3,892,237	3,815,509
Benefits and expenses:
Life policyholder benefits	494,627	516,196	1,555,004	1,532,298
Health policyholder benefits	198,415	187,906	592,488	564,589
Other policyholder benefits	6,986	7,303	21,110	21,848
Total policyholder benefits	700,028	711,405	2,168,602	2,118,735
Amortization of deferred acquisition costs	156,129	151,593	469,718	452,607
Commissions, premium taxes, and non-deferred acquisition costs	93,028	82,774	277,436	244,752
Other operating expense	88,140	80,385	262,150	240,750
Interest expense	23,965	20,886	65,737	63,833
Total benefits and expenses	1,061,290	1,047,043	3,243,643	3,120,677
Income before income taxes	229,983	230,795	648,594	694,832
Income tax benefit (expense)	(43,204)	(41,924)	(120,450)	(127,826)
Net income	$ 186,779	$ 188,871	$ 528,144	$ 567,006
Basic net income per common share (in dollars per share)	$ 1.92	$ 1.86	$ 5.38	$ 5.53
Diluted net income per common share (in dollars per share)	$ 1.90	$ 1.84	$ 5.33	$ 5.46
Life premium
Revenue:
Revenue	$ 755,115	$ 728,924	$ 2,269,641	$ 2,165,213
Health premium
Revenue:
Revenue	319,289	299,143	955,478	888,902
Other premium
Revenue:
Revenue	$ 1	$ 0	$ 1	$ 1