Related Party Transactions (Affiliated Asset Transfers) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Related Party Transaction [Line Items]
Realized investment gains (losses), net	$ (5,295,406)	$ (62,976)	$ (116,749)
Affiliated Entity | Prudential Insurance March 2020 Purchase Other Invested Assets
Related Party Transaction [Line Items]
Fair Value	1,390
Book Value	1,390
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | Prudential Insurance April 2020 Purchase Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	61,953
Book Value	59,659
APIC, Net of Tax Increase/ (Decrease)	(1,812)
Realized investment gains (losses), net	0
Affiliated Entity | Prudential Insurance April 2020 Purchase Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	3,485
Book Value	3,320
APIC, Net of Tax Increase/ (Decrease)	(130)
Realized investment gains (losses), net	0
Affiliated Entity | GA BV LLC July 2020 Transfer Out Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	1,914
Book Value	1,914
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | PALAC June 2021 Purchase Equities
Related Party Transaction [Line Items]
Fair Value	40,284
Book Value	40,284
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | Prudential Insurance September 2021 Purchase Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	64,374
Book Value	59,642
APIC, Net of Tax Increase/ (Decrease)	(3,739)
Realized investment gains (losses), net	0
Affiliated Entity | Prudential Insurance September 2021 Sale Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	37,887
Book Value	35,264
APIC, Net of Tax Increase/ (Decrease)	2,073
Realized investment gains (losses), net	0
Affiliated Entity | Hirakata LLC September 2021 Purchase Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	13,944
Book Value	13,944
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | Prudential Retirement Insurance & Annuity Co September 2021 Purchase Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	120,256
Book Value	120,256
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | Prudential Retirement Insurance & Annuity Co September 2021 Sale Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	173,590
Book Value	166,427
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	7,163
Affiliated Entity | Prudential Insurance September 2021 Purchase Commercial Mortgage and Other Loans
Related Party Transaction [Line Items]
Fair Value	45,358
Book Value	42,127
APIC, Net of Tax Increase/ (Decrease)	(2,553)
Realized investment gains (losses), net	0
Affiliated Entity | Prudential Insurance September 2021 Sale Commercial Mortgage and Other Loans
Related Party Transaction [Line Items]
Fair Value	22,796
Book Value	21,780
APIC, Net of Tax Increase/ (Decrease)	802
Realized investment gains (losses), net	0
Affiliated Entity | Prudential Retirement Insurance & Annuity Co September 2021 Purchase Commercial Mortgage and Other Loans
Related Party Transaction [Line Items]
Fair Value	29,483
Book Value	29,483
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | Prudential Retirement Insurance & Annuity Co September 2021 Sale Commercial Mortgage and Other Loans
Related Party Transaction [Line Items]
Fair Value	51,005
Book Value	47,020
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	3,985
Affiliated Entity | Prudential Insurance September 2021 Purchase Derivatives
Related Party Transaction [Line Items]
Fair Value	600
Book Value	494
APIC, Net of Tax Increase/ (Decrease)	(84)
Realized investment gains (losses), net	0
Affiliated Entity | Prudential Insurance September 2021 Sale Derivatives
Related Party Transaction [Line Items]
Fair Value	335
Book Value	175
APIC, Net of Tax Increase/ (Decrease)	127
Realized investment gains (losses), net	0
Affiliated Entity | Prudential Retirement Insurance & Annuity Co September 2021 Purchase Derivatives
Related Party Transaction [Line Items]
Fair Value	(1,243)
Book Value	(1,243)
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | Prudential Retirement Insurance & Annuity Co September 2021 Purchase Derivatives
Related Party Transaction [Line Items]
Fair Value	2,846
Book Value	770
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	2,076
Affiliated Entity | Prudential Arizona Reinsurance Universal Co November 2021 Purchase
Related Party Transaction [Line Items]
Fair Value	41,021
Book Value	41,021
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | PALAC November 2021 Purchase Derivatives
Related Party Transaction [Line Items]
Fair Value	1,112
Book Value	1,112
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | PALAC December 2021 Transfer In Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	2,037,320
Book Value	2,037,320
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | Prudential Universal Reinsurance Co December 2021 Purchase Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	48,041
Book Value	48,041
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | PALAC December 2021 Purchase Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	57,087
Book Value	57,087
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | PALAC December 2021 Transfer In Commercial Mortgage and Other Loans
Related Party Transaction [Line Items]
Fair Value	517,309
Book Value	517,309
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | Prudential Insurance December 2021 Contributed Capital Fixed Maturities
Related Party Transaction [Line Items]
Fair Value	166,676
Book Value	166,676
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | Prudential Retirement Insurance & Annuity Co December 2021 Sale Derivatives
Related Party Transaction [Line Items]
Fair Value	31,567
Book Value	0
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	31,567
Affiliated Entity | Prudential Retirement Insurance & Annuity Co December 2021 Purchase Derivatives
Related Party Transaction [Line Items]
Fair Value	73,572
Book Value	73,572
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	0
Affiliated Entity | PALAC December 2021 Purchase Derivatives
Related Party Transaction [Line Items]
Fair Value	8,455
Book Value	8,455
APIC, Net of Tax Increase/ (Decrease)	0
Realized investment gains (losses), net	$ 0