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Investments (Components of Net Investment Income) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Net Investment Income [Line Items]
Investment income, gross	$ 2,101,892	$ 2,214,550	$ 2,329,478
Less investment expenses	(64,417)	(32,472)	(21,843)
Net investment income	2,037,475	2,182,078	2,307,635
Available For Sale Fixed Maturity Securities
Net Investment Income [Line Items]
Investment income, gross	1,772,675	2,035,762	2,171,768
Real Estate Investments
Net Investment Income [Line Items]
Investment income, gross	14,138	0	0
Mortgage Loans on Real Estate
Net Investment Income [Line Items]
Investment income, gross	215,138	170,749	145,344
Cash and Cash Equivalents
Net Investment Income [Line Items]
Investment income, gross	3,385	4,871	5,164
Other Investments
Net Investment Income [Line Items]
Investment income, gross	$ 96,556	$ 3,168	$ 7,202

X

- Definition

Amount, before investment expense, of income earned from investments in securities and real estate. Includes, but is not limited to, real estate investment, policy loans, dividends, and interest. Excludes realized gain (loss) on investments.

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Amount, after investment expense, of income earned from investments in securities and real estate. Includes, but is not limited to, real estate investment, policy loans, dividends, and interest. Excludes realized gain (loss) on investments.

+ References

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