Schedule II - Condensed Financial Information of Registrant - Condensed Statements of Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues:
Net investment income	$ 562,530	$ 417,202	$ 555,492
Total revenues	824,091	694,742	819,188
Expenses:
Other operating expenses	126,612	104,584	104,558
Total expenses	596,834	582,674	654,032
Earnings (loss) before Federal income taxes	227,257	112,068	165,156
Federal income taxes/(benefit)	46,576	19,756	33,540
Net earnings (loss)	180,681	92,312	131,616
The Company
Revenues:
Dividend income from subsidiaries	0	1,395	36,000
Net investment income	10	9	0
Total revenues	10	1,404	36,000
Expenses:
Other operating expenses	2,660	3,322	5,358
Total expenses	2,660	3,322	5,358
Earnings (loss) before Federal income taxes	(2,650)	(1,918)	30,642
Federal income taxes/(benefit)	(537)	(2,212)	(1,739)
Earnings (loss) before equity in earnings of affiliates	(2,113)	294	32,381
Equity in earnings of affiliates	182,794	92,018	99,235
Net earnings (loss)	$ 180,681	$ 92,312	$ 131,616