Liability For Future Policy Benefits (Deferred Profit Liability) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023	Dec. 31, 2022
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]
Other adjustments	$ 3,828	$ 1,442
Deferred profit liability
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]
Revenue		139
Deferred Profit Liability Netting
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]
Revenue	(211)
Fixed Annuities
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]
Effect of actual variances from expected experience and other activity			$ 62	$ 183
Adjusted balance, beginning of period			20,061	18,542
Interest accrual	177	171
Other adjustments	1	0
Balance, end of period	18,428	17,336
Less: Reinsurance recoverables	18,428	17,336
Balance after reinsurance recoverables, end of period, post-flooring	0	0
Fixed Annuities \| Gross Basis
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]
Interest accrual	177	171
Revenue	950	112
Fixed Annuities \| Deferred profit liability
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]
Balance, beginning of period	1,365	1,684
Effect of actual variances from expected experience and other activity			34	(107)
Adjusted balance, beginning of period			$ 1,399	$ 1,577
Profits deferred	216	0
Interest accrual	14	13
Amortization	(53)	(45)
Balance, end of period	1,576	1,545
Less: Reinsurance recoverables	1,576	1,545
Balance after reinsurance recoverables, end of period, post-flooring	0	0
Revenue		139
Fixed Annuities \| Deferred profit liability \| Gross Basis
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]
Interest accrual	14	13
Revenue		$ 139
Fixed Annuities \| Deferred Profit Liability Netting
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]
Revenue	(211)
Fixed Annuities \| Deferred Profit Liability Netting \| Gross Basis
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]
Revenue	$ (211)

PRUCO LIFE INSURANCE OF NEW JERSEY 10-Q