RELATED PARTY TRANSACTIONS - PREDECESSOR COMPANY - Schedule of Affiliated Asset Transfers (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Related Party Transaction [Line Items]
Total	$ 481,000	$ (1,907,000)	$ 7,489,000	$ (5,261,000)
Affiliated Entity | Prudential Insurance
Related Party Transaction [Line Items]
Fair Value	201,000
Book Value	201,000
Affiliated Entity | Prudential Insurance
Related Party Transaction [Line Items]
Fair Value	177,000
Book Value	177,000
Affiliated Entity | Vantage Casualty Insurance Co.
Related Party Transaction [Line Items]
Fair Value	15,000
Book Value	15,000
Affiliated Entity | Prudential Insurance
Related Party Transaction [Line Items]
Fair Value	3,000
Book Value	3,000
Affiliated Entity | Pruco Life
Related Party Transaction [Line Items]
Fair Value	40,000
Book Value	38,000
Affiliated Entity | Passaic Fund LLC
Related Party Transaction [Line Items]
Fair Value	12,000
Book Value	12,000
Affiliated Entity | Passaic Fund LLC
Related Party Transaction [Line Items]
Fair Value	196,000
Book Value	196,000
Affiliated Entity | Prudential Insurance
Related Party Transaction [Line Items]
Fair Value	2,000
Book Value	2,000
Affiliated Entity | Prudential Insurance
Related Party Transaction [Line Items]
Fair Value	12,000
Book Value	11,000
Affiliated Entity | Prudential Retirement Insurance and Annuity Company
Related Party Transaction [Line Items]
Fair Value	26,000
Book Value	24,000
Affiliated Entity | Prudential Retirement Insurance and Annuity Company
Related Party Transaction [Line Items]
Fair Value	35,000
Book Value	35,000
Affiliated Entity | Prudential Insurance
Related Party Transaction [Line Items]
Fair Value	0
Book Value	0
Affiliated Entity | Prudential Retirement Insurance and Annuity Company
Related Party Transaction [Line Items]
Fair Value	(1,000)
Book Value	(1,000)
Affiliated Entity | Prudential Financial
Related Party Transaction [Line Items]
Fair Value	10,000
Book Value	10,000
Affiliated Entity | Pruco Life
Related Party Transaction [Line Items]
Fair Value	1,000
Book Value	0
Affiliated Entity | Prudential Arizona Reinsurance
Related Party Transaction [Line Items]
Fair Value	55,000
Book Value	55,000
Affiliated Entity | Pruco Life
Related Party Transaction [Line Items]
Fair Value	2,038,000
Book Value	1,934,000
Affiliated Entity | Pruco Life
Related Party Transaction [Line Items]
Fair Value	57,000
Book Value	57,000
Affiliated Entity | Prudential Financial
Related Party Transaction [Line Items]
Fair Value	167,000
Book Value	167,000
Affiliated Entity | Prudential Financial
Related Party Transaction [Line Items]
Fair Value	144,000
Book Value	138,000
Affiliated Entity | Prudential Financial
Related Party Transaction [Line Items]
Fair Value	185,000
Book Value	185,000
Affiliated Entity | Pruco Life
Related Party Transaction [Line Items]
Fair Value	538,000
Book Value	517,000
Affiliated Entity | Pruco Life
Related Party Transaction [Line Items]
Fair Value	8,000
Book Value	2,000
Affiliated Entity | Pruco Life
Related Party Transaction [Line Items]
Fair Value	4,000
Book Value	5,000
Affiliated Entity | Prudential Financial
Related Party Transaction [Line Items]
Fair Value	29,000
Book Value	30,000
Affiliated Entity | Pruco Life
Related Party Transaction [Line Items]
Fair Value	0
Book Value	0
Affiliated Entity | Pruco Life
Related Party Transaction [Line Items]
Fair Value	129,000
Book Value	138,000
Affiliated Entity | Prudential Financial
Related Party Transaction [Line Items]
Fair Value	33,000
Book Value	$ 33,000