Consolidated Statements of Operations - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Revenue:
Revenue		$ 4,890,220	$ 4,666,272	$ 4,456,017
Net investment income		1,130,198	1,135,631	1,056,884
Realized gains (losses)		(27,788)	(24,188)	(65,676)
Other income		1,688	354	308
Total revenue		5,994,318	5,778,069	5,447,533
Benefits and expenses:
Total policyholder benefits		2,884,294	2,894,443	2,864,251
Amortization of deferred acquisition costs		447,760	410,001	379,700
Commissions, premium taxes, and non-deferred acquisition costs		642,700	600,753	559,167
Other operating expense		442,368	419,143	347,833
Interest expense		141,221	127,092	102,316
Total benefits and expenses		4,558,343	4,451,432	4,253,267
Income before income taxes		1,435,975	1,326,637	1,194,266
Income tax benefit (expense)		(274,737)	(255,875)	(223,511)
Net income		$ 1,161,238	$ 1,070,762	$ 970,755
Basic net income per common share (in dollars per share)		$ 14.27	$ 11.99	$ 10.21
Diluted net income per common share (in dollars per share)		$ 14.07	$ 11.94	$ 10.07
Life Insurance
Revenue:
Revenue		$ 3,363,470	$ 3,261,347	$ 3,137,244
Benefits and expenses:
Total policyholder benefits	[1]	1,924,929	2,000,977	2,050,789
Health Insurance
Revenue:
Revenue		1,526,750	1,404,925	1,318,773
Benefits and expenses:
Total policyholder benefits	[2]	931,141	851,577	776,362
Other
Benefits and expenses:
Total policyholder benefits		$ 28,224	$ 41,889	$ 37,100

[1] Net of total remeasurement, including both the impact of assumption changes and the effect of actual to expected experience adjustments, resulting in a gain (loss) of $192.2 million, $107.0 million, and $29.4 million for the year ended December 31, 2025, 2024, and 2023, respectively.

[2] Net of total remeasurement, including both the impact of assumption changes and the effect of actual to expected experience adjustments, resulting in a gain (loss) of $20.1 million, $(3.2) million, and $11.8 million for the year ended December 31, 2025, 2024, and 2023, respectively.