ACQUISITIONS - Assets Acquired, Liabilities Assumed and Resulting Goodwill - Global Atlantic (Details) - Global Atlantic $ in Thousands	Feb. 01, 2021 USD ($)
Business Acquisition [Line Items]
Cash Consideration paid by KKR	$ 2,914,455
GA Rollover Investors	4,738,694
Settlement of pre-existing relationships	(60,200)
Total Consideration Transferred	4,678,494
Recognized Amounts of Identifiable Assets Acquired and Liabilities Assumed:
Cash, Cash Equivalents and Restricted Cash	3,358,772
Investments	99,544,755
Reinsurance Recoverable	15,753,030
Insurance Intangible Assets	1,024,520
Other Assets(3)	3,325,652
Separate Account Assets	5,371,060
Policy Liabilities	(100,374,765)
Debt Obligations	(1,450,920)
Funds Withheld Payable at Interest	(13,800,969)
Accrued Expenses and Other Liabilities	(2,735,811)
Reinsurance Liabilities	(180,573)
Separate Account Liabilities	(5,371,060)
Total Identifiable Net Assets	4,463,691
Goodwill	497,053
Deferred tax assets	1,000,000
GA Co-Investors
Business Acquisition [Line Items]
Cash Consideration paid by KKR	978,296
GA Rollover Investors
Business Acquisition [Line Items]
GA Rollover Investors	845,943
Redeemable Noncontrolling Interest
Recognized Amounts of Identifiable Assets Acquired and Liabilities Assumed:
Redeemable non-controlling interests	(91,845)
Other Non-controlling interests
Recognized Amounts of Identifiable Assets Acquired and Liabilities Assumed:
Other Noncontrolling interests	$ (190,405)