Consolidated Statements of Earnings - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Premiums and other revenues:
Universal life and annuity contract charges	$ 145,405	$ 149,721	$ 155,205
Traditional life premiums	92,542	90,248	18,291
Net investment income	417,202	555,492	349,077
Other revenues	18,522	17,486	20,603
Net realized investment gains:
Total other-than-temporary impairment (“OTTI”) gains (losses)	5	(7,838)	12
Portion of OTTI (gains) losses recognized in other comprehensive income	(5)	(9)	(12)
Net OTTI losses recognized in earnings	0	(7,847)	0
Other net investment gains	21,071	14,088	8,423
Total net realized investment gains	21,071	6,241	8,423
Total revenues	694,742	819,188	551,599
Benefits and expenses:
Life and other policy benefits	131,337	137,342	65,297
Amortization of deferred policy acquisition costs and value of business acquired	140,503	116,802	114,771
Universal life and annuity contract interest	206,250	295,330	136,055
Other operating expenses	104,584	104,558	93,969
Total benefits and expenses	582,674	654,032	410,092
Earnings before Federal income taxes	112,068	165,156	141,507
Federal income taxes	19,756	33,540	24,749
Net earnings	92,312	131,616	116,758
Class A
Benefits and expenses:
Net earnings	$ 89,701	$ 127,894	$ 113,456
Basic Earnings Per Share:
Basic earnings per share (in dollars per share)	$ 26.11	$ 37.22	$ 33.02
Diluted Earnings Per Share:
Diluted earnings per share (in dollars per share)	$ 26.11	$ 37.22	$ 33.02
Class B
Benefits and expenses:
Net earnings	$ 2,611	$ 3,722	$ 3,302
Basic Earnings Per Share:
Basic earnings per share (in dollars per share)	$ 13.05	$ 18.61	$ 16.51
Diluted Earnings Per Share:
Diluted earnings per share (in dollars per share)	$ 13.05	$ 18.61	$ 16.51