Related Party Transactions (Affiliated Asset Transfers) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	[1]	Dec. 31, 2022	[1]
Related Party Transaction [Line Items]
Realized investment gains (losses), net	$ 451,417	$ (1,147,099)		$ 289,929
Affiliated Entity | Prudential Insurance, January 2023, Purchase, Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	48,329
Book Value	50,372
APIC, Net of Tax Increase/ (Decrease)	1,614
Realized investment gains (losses), net	0
Affiliated Entity | Prudential Insurance, March 2023, Purchase, Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	7,175
Book Value	7,500
APIC, Net of Tax Increase/ (Decrease)	256
Realized investment gains (losses), net	0
Affiliated Entity | PURC, April 2023, Purchase, Fixed maturities
Related Party Transaction [Line Items]
Fair Value	102,804
Book Value	102,804
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | Term Re, June 2023, Purchase, Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	115,573
Book Value	115,573
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | Prudential Insurance, June 2023, Purchase, Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	4,298
Book Value	4,443
APIC, Net of Tax Increase/ (Decrease)	114
Realized investment gains (losses), net	0
Affiliated Entity | Prudential Insurance, June 2023, Purchase, Fixed Maturities 1
Related Party Transaction [Line Items]
Fair Value	4,394
Book Value	4,494
APIC, Net of Tax Increase/ (Decrease)	80
Realized investment gains (losses), net	0
Affiliated Entity | Prudential Insurance, June 2023, Purchase, Fixed Maturities 2
Related Party Transaction [Line Items]
Fair Value	19,453
Book Value	19,203
APIC, Net of Tax Increase/ (Decrease)	(198)
Realized investment gains (losses), net	0
Affiliated Entity | Prudential Insurance, June 2023, Purchase, Fixed Maturities 3
Related Party Transaction [Line Items]
Fair Value	14,452
Book Value	15,086
APIC, Net of Tax Increase/ (Decrease)	502
Realized investment gains (losses), net	0
Affiliated Entity | Prudential Insurance, September 2023, Purchase, Fixed Maturities 4
Related Party Transaction [Line Items]
Fair Value	15,880
Book Value	15,801
APIC, Net of Tax Increase/ (Decrease)	(62)
Realized investment gains (losses), net	0
Affiliated Entity | PURC - December 2023, Sale, Commercial Mortgage and Other Loans
Related Party Transaction [Line Items]
Fair Value	762
Book Value	754
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	8
Affiliated Entity | PAR U - January 2024, Transfer in, Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	1,598,161
Book Value	1,598,161
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | PAR U, January 2024, Transfer in, Fixed Maturities 1
Related Party Transaction [Line Items]
Fair Value	778,745
Book Value	778,745
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | PURC - January 2024 - Transfer in - Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	2,155,560
Book Value	2,155,560
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | GUL Re - January 2024 - Transfer in - Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	1,685,582
Book Value	1,685,582
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | GUL Re - January 2024 - Transfer in - Equities
Related Party Transaction [Line Items]
Fair Value	4,976
Book Value	4,976
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | PURE - January 2024 - Transfer out - Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	1,598,161
Book Value	1,598,161
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | PURE, January 2024, Transfer out, Fixed Maturities 1
Related Party Transaction [Line Items]
Fair Value	778,745
Book Value	778,745
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | PURE - January 2024 - Transfer out - Fixed Maturities 2
Related Party Transaction [Line Items]
Fair Value	2,155,560
Book Value	2,155,560
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | PURE - January 2024 - Transfer out - Fixed Maturities 3
Related Party Transaction [Line Items]
Fair Value	1,685,582
Book Value	1,685,582
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | PURE - January 2024 - Transfer out - Equities
Related Party Transaction [Line Items]
Fair Value	4,976
Book Value	4,976
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | Ironbound - January 2024 - Purchase - Other Invested Assets
Related Party Transaction [Line Items]
Fair Value	60,414
Book Value	60,414
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | Windhill CLO 1, Ltd. - February 2024 - Sale - Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	18,428
Book Value	18,858
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	(430)
Affiliated Entity | Windhill CLO 2, Ltd. - February 2024 - Sale - Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	19,652
Book Value	20,057
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	(405)
Affiliated Entity | PAR Term - February 2024 - Purchase - Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	43,084
Book Value	43,084
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | Windhill CLO 1, Ltd. - March 2024 - Sale - Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	10,148
Book Value	10,387
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	(239)
Affiliated Entity | Windhill CLO 2, Ltd. - March 2024 - Sale - Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	14,763
Book Value	15,091
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	(328)
Affiliated Entity | Prudential Insurance - March 2024 - Purchase - Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	198,804
Book Value	206,285
APIC, Net of Tax Increase/ (Decrease)	5,910
Realized investment gains (losses), net	0
Affiliated Entity | PAR U - March 2024 - Transfer in - Other Invested Assets
Related Party Transaction [Line Items]
Fair Value	188,500
Book Value	188,500
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | PURE - March 2024 - Transfer out - Other Invested Assets
Related Party Transaction [Line Items]
Fair Value	188,500
Book Value	188,500
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | Windhill CLO 1, Ltd. - April 2024 - Sale - Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	2,261
Book Value	2,300
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	(39)
Affiliated Entity | Windhill CLO 2, Ltd. - May 2024 - Sale - Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	14,034
Book Value	14,415
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	(381)
Affiliated Entity | Windhill CLO 1, Ltd. - June 2024 - Sale - Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	2,045
Book Value	2,100
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	(55)
Affiliated Entity | Windhill CLO 2, Ltd. - June 2024 - Sale - Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	23,342
Book Value	23,743
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	(401)
Affiliated Entity | PAR U - June 2024 - Transfer in - Other Invested Assets
Related Party Transaction [Line Items]
Fair Value	326
Book Value	326
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | PURE - June 2024 - Transfer out - Other Invested Assets
Related Party Transaction [Line Items]
Fair Value	326
Book Value	326
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | PAR U - June 2024 - Purchase - Commercial Mortgage and Othe Loans
Related Party Transaction [Line Items]
Fair Value	12,555
Book Value	12,555
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | Windhill CLO 2, Ltd. - July 2024 - Sale - Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	53,462
Book Value	54,628
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	(1,166)
Affiliated Entity | Windhill CLO 2, Ltd. - July 2024 - Sale - Fixed Maturities1
Related Party Transaction [Line Items]
Fair Value	6,579
Book Value	6,695
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	(116)
Affiliated Entity | Windhill CLO 1, Ltd. - July 2024 - Sale - Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	2,136
Book Value	2,200
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	(64)
Affiliated Entity | PAR U - July 2024 - Purchase - Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	17,402
Book Value	17,402
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | Prudential Insurance - July 2024 - Purchase - Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	22,655
Book Value	23,433
APIC, Net of Tax Increase/ (Decrease)	614
Realized investment gains (losses), net	0
Affiliated Entity | PAR U - July 2024 - Purchase - Fixed Maturities1
Related Party Transaction [Line Items]
Fair Value	1,239
Book Value	1,239
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | PAR U - July 2024 - Purchase - Derivatives
Related Party Transaction [Line Items]
Fair Value	2,975
Book Value	2,975
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | Windhill CLO 2, Ltd. - August 2024 - Sale - Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	21,929
Book Value	22,500
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	(571)
Affiliated Entity | Windhill CLO 1, Ltd. - August 2024 - Sale - Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	13,650
Book Value	14,100
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	(450)
Affiliated Entity | PAR U - August 2024 - Purchase - Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	46,742
Book Value	46,742
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | PAR U - August 2024 - Purchase - Fixed Maturities1
Related Party Transaction [Line Items]
Fair Value	4,793
Book Value	4,793
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | Prudential Insurance - August 2024 - Purchase - Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	35,872
Book Value	35,085
APIC, Net of Tax Increase/ (Decrease)	(621)
Realized investment gains (losses), net	0
Affiliated Entity | Windhill CLO 2, Ltd. - September 2024 - Sale - Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	57,613
Book Value	57,613
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | Windhill CLO 2, Ltd. - September 2024 - Sale - Fixed Maturities1
Related Party Transaction [Line Items]
Fair Value	24,575
Book Value	24,911
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	(336)
Affiliated Entity | Prudential Insurance - September 2024 - Purchase - Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	44,773
Book Value	43,632
APIC, Net of Tax Increase/ (Decrease)	(901)
Realized investment gains (losses), net	0
Affiliated Entity | Hirakata - October 2024 - Purchase - Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	21,229
Book Value	21,229
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | Hirakata - October 2024 - Purchase - Fixed Maturities1
Related Party Transaction [Line Items]
Fair Value	3,901
Book Value	3,901
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | PAR U - October 2024 - Transfer in - Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	6,615,438
Book Value	6,615,438
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | Windhill CLO 3, Ltd. - October 2024 - Sale - Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	232,036
Book Value	235,610
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	(3,574)
Affiliated Entity | Windhill CLO 2, Ltd. - October 2024 - Sale - Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	5,824
Book Value	5,899
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	(75)
Affiliated Entity | Windhill CLO 2, Ltd. - October 2024 - Sale - Fixed Maturities1
Related Party Transaction [Line Items]
Fair Value	14,690
Book Value	14,959
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	(269)
Affiliated Entity | Windhill CLO 1, Ltd. - October 2024 - Sale - Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	3,038
Book Value	3,100
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	(62)
Affiliated Entity | PAR U - October 2024 - Transfer in - Equities
Related Party Transaction [Line Items]
Fair Value	6,120
Book Value	6,120
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | Windhill CLO 3, Ltd. - November 2024 - Sale - Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	17,409
Book Value	17,518
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	(109)
Affiliated Entity | Windhill CLO 3, Ltd. - December 2024 - Sale - Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	38,020
Book Value	38,537
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	(517)
Affiliated Entity | Windhill CLO 3, Ltd. - December 2024 - Sale - Short-term Investments
Related Party Transaction [Line Items]
Fair Value	2,882
Book Value	2,905
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	(23)
Affiliated Entity | Prudential Insurance - December 2024 - Contributed Capital - Equities
Related Party Transaction [Line Items]
Fair Value	415,696
Book Value	416,265
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	$ 0

[1] Amounts reflect revision to prior period Financial Statements. See Note 17 for additional information.