DERIVATIVES - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Restricted cash held with open derivative transactions with exchange brokers	$ 278,700	$ 151,100
Interest Rate Swap \| Global Atlantic senior notes, due October 2029
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gross amount recognized	408,295	473,890
Interest Rate Swap \| Global Atlantic senior notes, due June 2031
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gross amount recognized	537,578	644,439
Interest Rate Swap \| Debt And Lease Obligation \| Global Atlantic senior notes, due October 2029
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gross amount recognized	500,000
Interest Rate Swap \| Debt And Lease Obligation \| Global Atlantic senior notes, due June 2031
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gross amount recognized	650,000
Bond Forward
Derivative Instruments and Hedging Activities Disclosures [Line Items]
AOCI (loss) gain	(169,800)	$ 9,400
Securities purchased	266,800
Cumulative loss on the settlement bond forward derivative hedge instrument	$ (61,600)

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Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

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