Equity (Net Unrealized Investment Gains (Losses) in AOCI on AFS Fixed Maturity Securities with Allowance for Credit Losses and All Other Investments) (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2024 USD ($)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	$ (47,527)
Ending Balance	(111,965)
Net Unrealized Investment Gains (Losses) on Available-for-Sale Fixed Maturity Securities on which an allowance for credit losses has been recognized
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	0
Net investment gains (losses) on investments arising during the period	(3)
Reclassification adjustment for (gains) losses included in net income	0
Impact of net unrealized investment (gains) losses	0
Ending Balance	(3)
Accumulated Net Unrealized Investment Gain (Loss) on All Other Investments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(192,271)
Net investment gains (losses) on investments arising during the period	(91,069)
Reclassification adjustment for (gains) losses included in net income	(851)
Impact of net unrealized investment (gains) losses	0
Ending Balance	(284,191)
Deferred Policy Acquisition Costs and Other Costs
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(52,266)
Net investment gains (losses) on investments arising during the period	0
Reclassification adjustment for (gains) losses included in net income	0
Impact of net unrealized investment (gains) losses	(131,341)
Ending Balance	(183,607)
Future Policy Benefits and Policyholders’ Account Balances and other liabilities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	79,826
Net investment gains (losses) on investments arising during the period	0
Reclassification adjustment for (gains) losses included in net income	0
Impact of net unrealized investment (gains) losses	144,834
Ending Balance	224,660
Income Tax Benefit (Expense)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	34,594
Net investment gains (losses) on investments arising during the period	19,125
Reclassification adjustment for (gains) losses included in net income	179
Impact of net unrealized investment (gains) losses	(2,834)
Ending Balance	51,064
Accumulated Other Comprehensive Income (Loss) Related to Net Unrealized Investment Gains (Losses)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(130,117)
Net investment gains (losses) on investments arising during the period	(71,947)
Reclassification adjustment for (gains) losses included in net income	(672)
Impact of net unrealized investment (gains) losses	10,659
Ending Balance	$ (192,077)

PRUCO LIFE INSURANCE OF NEW JERSEY 10-Q