Condensed Consolidated Statements of Earnings - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Premiums and other revenues:
Universal life and annuity contract charges	$ 32,692	$ 34,060	$ 65,343	$ 68,949
Traditional life premiums	21,647	22,112	43,980	44,696
Net investment income	55,474	156,544	125,198	322,619
Other revenues	5,578	6,034	11,375	11,448
Net realized investment gains:
Other net investment gains	1,766	3,415	5,560	4,831
Total net realized investment gains	1,766	3,415	5,560	4,831
Total revenues	117,157	222,165	251,456	452,543
Benefits and expenses:
Life and other policy benefits	35,177	35,904	77,076	73,793
Amortization of deferred transaction costs	27,756	25,123	56,772	55,112
Universal life and annuity contract interest	(13,801)	69,973	(28,606)	122,818
Other operating expenses	30,321	28,468	62,903	59,803
Total benefits and expenses	79,453	159,468	168,145	311,526
Earnings before Federal income taxes	37,704	62,697	83,311	141,017
Federal income taxes	6,939	12,798	16,362	28,989
Net earnings	30,765	49,899	66,949	112,028
Class A
Benefits and expenses:
Net earnings	$ 29,895	$ 48,488	$ 65,056	$ 108,860
Basic earnings per share:
Basic earnings per share (in dollars per share)	$ 8.70	$ 14.11	$ 18.93	$ 31.68
Diluted earnings per share:
Diluted earnings per share (in dollars per share)	$ 8.70	$ 14.11	$ 18.93	$ 31.68
Class B
Benefits and expenses:
Net earnings	$ 870	$ 1,411	$ 1,893	$ 3,168
Basic earnings per share:
Basic earnings per share (in dollars per share)	$ 4.35	$ 7.06	$ 9.47	$ 15.84
Diluted earnings per share:
Diluted earnings per share (in dollars per share)	$ 4.35	$ 7.06	$ 9.47	$ 15.84