Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenue:
Revenue	$ 1,071,602	$ 1,002,293
Net investment income	243,834	235,820
Realized gains (losses)	(7,244)	28,152
Other income	164	295
Total revenue	1,308,356	1,266,560
Benefits and expenses:
Life policyholder benefits	549,343	517,631
Health policyholder benefits	196,855	187,829
Other policyholder benefits	7,050	7,259
Total policyholder benefits	753,248	712,719
Amortization of deferred acquisition costs	158,384	152,993
Commissions, premium taxes, and non-deferred acquisition costs	90,813	79,666
Other operating expense	84,352	81,210
Interest expense	19,944	21,178
Total benefits and expenses	1,106,741	1,047,766
Income before income taxes	201,615	218,794
Income tax benefit (expense)	(37,254)	(40,277)
Net income	$ 164,361	$ 178,517
Basic net income per common share (in dollars per share)	$ 1.66	$ 1.73
Diluted net income per common share (in dollars per share)	$ 1.64	$ 1.70
Life premium
Revenue:
Revenue	$ 754,602	$ 708,119
Health premium
Revenue:
Revenue	317,000	294,173
Other premium
Revenue:
Revenue	$ 0	$ 1