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Derivative Instruments (Change in Fair Value of Derivatives Not Designated as Hedging) (Details) - USD ($)
$ in Thousands

12 Months Ended

Dec. 31, 2023

Dec. 31, 2022

Dec. 31, 2021

Derivative Instruments, Gain (Loss) [Line Items]

Change in fair value of embedded derivatives

$ 1,143,576

$ (2,352,598)

^[1],[2]

$ (358,302)

^[1],[2]

Not Designated as Hedging Instrument

Derivative Instruments, Gain (Loss) [Line Items]

Change in fair value of derivatives

249,950

(1,104,547)

1,348,735

Change in fair value of embedded derivatives

1,143,576

(2,352,598)

(358,302)

Not Designated as Hedging Instrument | Call Options

Derivative Instruments, Gain (Loss) [Line Items]

Change in fair value of derivatives

248,744

(1,118,768)

1,347,925

Not Designated as Hedging Instrument | Warrants

Derivative Instruments, Gain (Loss) [Line Items]

Change in fair value of derivatives

1,206

264

810

Not Designated as Hedging Instrument | Interest Rate Swaps

Derivative Instruments, Gain (Loss) [Line Items]

Change in fair value of derivatives

0

13,957

0

Not Designated as Hedging Instrument | Fixed Index Annuities - Embedded Derivatives

Derivative Instruments, Gain (Loss) [Line Items]

Change in fair value of embedded derivatives

958,488

(1,913,096)

(355,940)

Not Designated as Hedging Instrument | Reinsurance Related Embedded Derivative

Derivative Instruments, Gain (Loss) [Line Items]

Change in fair value of embedded derivatives

$ 185,088

$ (439,502)

$ (2,362)

[1]	Certain prior period amounts have been recast. See Note 1 - Significant Accounting Policies for more information.
[2]	Certain prior period amounts have been recast. See Note 1 - Significant Accounting Policies for more information.

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4E
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-4E

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Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (e)
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-URI https://asc.fasb.org//1943274/2147480434/815-10-50-4C

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 4CC
-SubTopic 10
-Topic 815
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-4CC

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Net Increase or Decrease in the fair value of the embedded derivative or group of embedded derivatives included in earnings in the period.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 15
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org//815-15/tableOfContent

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