Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenue:
Premium	$ 929,835	$ 890,973
Net investment income	228,991	226,673
Realized gains (losses)	(26,097)	1,329
Other income	325	241
Total revenue	1,133,054	1,119,216
Benefits and expenses:
Life policyholder benefits	421,670	409,692
Health policyholder benefits	178,711	170,017
Other policyholder benefits	7,588	8,048
Total policyholder benefits	607,969	587,757
Amortization of deferred acquisition costs	143,837	135,822
Commissions, premium taxes, and non-deferred acquisition costs	78,937	73,465
Other operating expense	78,582	72,793
Interest expense	20,808	21,278
Total benefits and expenses	930,133	891,115
Income before income taxes	202,921	228,101
Income tax benefit (expense)	(37,381)	(42,707)
Income from continuing operations	165,540	185,394
Loss (income) from discontinued operations, net of income taxes	0	(49)
Net income	$ 165,540	$ 185,345
Basic net income (loss) per common share:
Continuing operations (in dollars per share)	$ 1.54	$ 1.68
Discontinued operations (in dollars per share)	0	0
Total basic net income per common share (in dollars per share)	1.54	1.68
Diluted net income (loss) per common share:
Continuing operations (in dollars per share)	1.52	1.65
Discontinued operations (in dollars per share)	0	0
Total diluted net income per common share (in dollars per share)	$ 1.52	$ 1.65
Life premium
Revenue:
Premium	$ 649,630	$ 624,289
Health premium
Revenue:
Premium	$ 280,205	$ 266,684