Condensed Consolidated Statements of Earnings - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Premiums and other revenues:
Universal life and annuity contract charges	$ 38,520	$ 41,364
Traditional life premiums	4,145	4,221
Net investment income	60,745	171,742
Other revenues	4,997	4,505
Net realized investment gains (losses):
Total other-than-temporary impairment (“OTTI”) gains (losses)	3	20
Portion of OTTI (gains) losses recognized in other comprehensive income	(3)	(20)
Net OTTI losses recognized in earnings	0	0
Other net investment gains (losses)	611	2,585
Total net realized investment gains (losses)	611	2,585
Total revenues	109,018	224,417
Benefits and expenses:
Life and other policy benefits	21,401	19,757
Amortization of deferred policy acquisition costs	32,229	34,212
Universal life and annuity contract interest	(1,818)	109,893
Other operating expenses	23,633	25,092
Total benefits and expenses	75,445	188,954
Earnings before Federal income taxes	33,573	35,463
Federal income taxes	6,698	11,925
Net earnings	26,875	23,538
Class A
Benefits and expenses:
Net earnings	$ 26,115	$ 22,872
Basic earnings per share:
Earnings per share, basic (in dollars per share)	$ 7.60	$ 6.66
Diluted earnings per share:
Earnings per share, diluted (in dollars per share)	$ 7.60	$ 6.65
Class B
Benefits and expenses:
Net earnings	$ 760	$ 666
Basic earnings per share:
Earnings per share, basic (in dollars per share)	$ 3.80	$ 3.33
Diluted earnings per share:
Earnings per share, diluted (in dollars per share)	$ 3.80	$ 3.33